Formation and Mer de Noms (1999–2000)
A Perfect Circle was originally conceived by
Billy Howerdel, a former
guitar technician for
Nine Inch Nails,
The Smashing Pumpkins,
 Howerdel met singer
Maynard James Keenan in 1992, when Tool was opening for Fishbone, and the two became friends.
 Three years later, Keenan offered Howerdel, who was looking for lodging, a room in his
North Hollywood home. This provided Howerdel the opportunity to play demos of his music for Keenan. Pleased with what he heard, Keenan remarked, "I can hear myself singing [those songs]."
 Although he originally desired a female vocalist, Howerdel agreed that Keenan would be a good fit, and A Perfect Circle was formed a short time later.
 The two rounded out the band's initial lineup with bassist and violinist
Paz Lenchantin, former
Troy Van Leeuwen, and
 The band played their first show at LA's Viper Club Reception in August 1999, followed by a larger-scale, more widely publicized show at the
Coachella Festival the following October.
 While initially in talks to release the album on
 - Tool's
record label - Keenan stated that they instead chose to go with
Virgin Records, who Keenan felt better understood that Keenan meant for the band to be an equally important band to Tool, not a minor side project.
 After the initial shows and securing a record deal, the band entered the studio to begin work on their first album.
 Alexander was soon replaced with
Josh Freese, who previously worked with Howerdel on the
Guns N' Roses album
 with Alexander's only studio contribution being drums on the album version of the song "
I designed the original logo of a symbol, which outwardly looks like a larger and smaller crescent, but actually holds two perfect circles. I designed the logo purposefully to represent
Maynard [James Keenan]
and me. I thought the logo represented ‘
’ with its line, ‘You don’t see me at all.’ I related to the song – feeling like there’s a lot to offer, but invisible. Millions suffer with that feeling every day. You can stare at something for so long before you see it in a new light. The insight from something you discover on your own always means more...the APC logo has two perfect circles in there; they’re just hard to see.
Billy Howerdel, on the band's logo.
The band's debut album,
Mer de Noms (French for "Sea of Names"), was released on May 23, 2000.
 The album was well received commercially and critically. It debuted at number four on the
Billboard 200, selling 188,000 copies in its first week and making it the highest selling debut album for a rock band.
 Mer de Noms was later certified platinum by the
RIAA, indicating 1 million copies sold, on October 31, 2000.
 The album was also well received by critics. The release earned the band the "Best Debut Album" award from the California Music Awards.
 In the album review by
Rolling Stone, Pat Blashill wrote that Keenan "added an almost operatic angst to Howerdel's songs" and concluded that "A Perfect Circle sound like a desperate dream of what rock used to be. Maybe that's the point."
AllMusic's review expressed that "there's little question that the addicting combination of Keenan's aching voice and Howerdel's accomplished songs and production skills made for one of 2000's best splashes in whatever was left of 'modern rock'."
Promotions began shortly after recording for the album was finished.
 Initially, they served as the opening act for Nine Inch Nails on the 2000 Fragility v2.0 tour, but subsequently embarked on a number of headlining tours all over the world,
 touring for around eight months straight.
 As Keenan was well known through his other band, he would often wear long wigs on his otherwise bald head when performing, to distinguish himself from his Tool persona.
 The album produced three singles as well: "
3 Libras", and "The Hollow". All three performed well commercially; peaking at fourth, twelfth, and fourteenth on the Billboard
Mainstream Rock chart respectively.
Thirteenth Step (2001–2003)
Activity began slowing down for the band by late 2000, with Keenan returning to Tool to finish the recording of what would be their next album,
 Keenan returned to A Perfect Circle to tour from January to March 2001,
 until returning to Tool again for the rest of 2001 to release and tour in support of Lateralus.
 Initial plans were for Howerdel to collaborate long-distance on writing new A Perfect Circle material with Keenan while he toured with Tool, by sending ideas back and forth to one another, though Keenan found it too difficult to balance both, eventually lessening his role while he focused on Tool.
 Efforts continued through mid-2002, with Howerdel primarily focusing on writing new material while sporadically working with Van Leeuwen, Lenchantin, and Freese.
 By June 2002, Van Leeuwen estimated that about 80% of the instrumental material was completed while they waited for Keenan's return.
 However, lineup changes and disagreements on the album's direction would lead to the album not being released for over a year. Both Lenchantin and VanLeeuwen had both been working on solo material during the band's downtime, and then moved on to join other bands.
 Lenchantin would leave to join
Billy Corgan's new start-up band
Zwan in April 2002,
 while Van Leeuwen began touring
Queens of the Stone Age shortly after.
Marilyn Manson bassist
Jeordie White, formerly known as Twiggy Ramirez, replaced Lenchantin on bass in January 2003.
 Shortly after, VanLeeuwen permanently left the band, and long-time band collaborator
Danny Lohner filled in temporarily as the second guitarist for wrapping up the album.
Keenan rejoined the sessions in early 2003, and the music began taking a different direction with the new lineup and Keenan's influence.
 Beyond the new personnel, the dynamic had changed: With Mer de Noms, Howerdel had already written and finalized all of the music, with Keenan just contributing the lyrics and vocals.
 This time around, Keenan was more active in vetoing or altering musical ideas,
 determined to make something different than just another
hard rock album, in fear of it being redundant.
 Sessions became tense, with Howerdel preferring the heavier compositions written while waiting for Keenan to return to the band, and sometimes taking offense to Keenan's suggested mellower rearrangements.
 White would play the role of a mediator between the two; being newer to the band helped him provide an outsider's perspective, helping them to find a common ground.
 The band released their second album,
Thirteenth Step, on September 16, 2003.
 The album debuted even higher than Mer de Noms, charting at number 2 in its opening week and selling over 233,000 copies.
 The album, and its accompanying new sound, fared well critically as well.
AllMusic review praised the bands new sound, describing it as "moodier, tenser, and more atmospheric (if that is possible) recording than its predecessor...The wide dynamic swathes that were so prominent on the band's debut are all but absent here. The squalling guitars have taken a backseat to carefully crafted melodies where atmospherics are maximized and pulled taut over the listener. While not a radical departure from Mer de Noms, there is a real progression here.... Lyrically, musically, sonically, the Thirteenth Step is proof positive that mainstream rock has plenty of life and vision left in it."
Touring in support of the album started in the U.S. in July 2003,
 and ran through the end of the year,
 with a brief European leg of the tour extending out to Europe with the
Deftones in September.
 Lohner, who could not commit to touring on a full-time permanent basis, was replaced by former
The Smashing Pumpkins guitarist
 In January 2004, the group left the country to play shows in Europe, Australia, New Zealand and Japan.
 They headed back to the U.S. in March and wrapped up touring in June,
 totaling to about a year straight of touring.
 Meanwhile, three singles were released from the album: "
Weak and Powerless", "
The Outsider" and "
Blue". "Weak and Powerless" managed to top the Billboard
Modern Rock Tracks and
Mainstream Rock Songs, while "The Outsider" later peaked in the top 5 of both as well.
 "Weak and Powerless" and "The Outsider" were also the band's only songs to have substantial cross-over success, charting on the
Billboard Hot 100 all-format chart, at 61 and 79 respectively.
After wrapping up the touring in support of Thirteenth Step in the first half of 2004, the band had announced it planned to enter a long
hiatus while Keenan returned to Tool and Howerdel pursued a solo career.
 In July 2004, Keenan performed at
Serj Tankian's (
System of a Down) and
Tom Morello's (
Rage Against the Machine)
Axis of Justice concert - an event for musicians to advocate for political and social causes.
 At the performance, Keenan announced that A Perfect Circle would be releasing a collection of political cover songs.
 During the beginning of the touring cycle for Thirteenth Step, Howerdel and Keenan discussed potential ideas for a third studio album.
 An early idea was to record an album of
cover songs, though they were initially hesitant, feeling they needed a meaningful reason to warrant doing it.
 Keenan, who had been very critical of
President George W. Bush during the touring cycle, proposed tying the concept together as a political-themed covers album, with Howerdel, while generally
apolitical publicly, felt was worth pursuing in their post-
September 11th attacks political and social climate.
 The two put their plans on hold temporarily and decided to move forward on the project as the band's third studio album.
 Keenan emphasized that, despite his personal feelings on Bush, the album was less of an "anti-Bush" album, and more of a "anti-
political apathy" - encouraging people to research things and become more involved.
The band rushed to complete the album in time to release it prior to the
2004 U.S. Presidential Elections in November, just barely a year after their prior release.
 Recording sessions ran from late June to early September.
 The sessions, largely the work of Howerdel, Keenan, and Freese, contained contributions from past and present members of the band, including Lenchantin, Lohner, White, and Iha.
 Keenan, aware of the time constraints and Howerdel's future intentions on doing solo albums, also encouraged Howerdel to contribute
lead vocals to about a third of the album.
 A wide variety of different songs were chosen to be recorded, from
Marvin Gaye's "
What's Going On" to
Led Zeppelin's "
When the Levee Breaks".
 Most songs were radical reinterpretations of the original, sometimes unrecognizable compared to the originals.
 Howerdel explained that it was done on purpose, to make the song's their own, and conceded that he, as of 2010, still had not even once ever heard the original version of
Annihilation", another song re-recorded for the album.
The band's third album,
Emotive, was released on November 2, 2004 - the actual U.S Presidential Election Day.
 However, the album received a much more polarizing reception than the prior two albums, with some critics and fans not appreciating the band's move into more political content,
 or the radical liberties they had taken with the album's cover versions.
 Other's accused the band of rushing out a third album in order to fulfill the band's three album contractual obligation to Virgin Records, a claim refuted as false by Howerdel.
 The album still managed to receive a generally positive reception from critics.
 Sales were similarly positive, but less so than prior albums. The position debuted at number 2 on the Billboard 200 charts, selling 142,000 copies in its first week - matching Thirteenth Step's peak chart placement, but selling almost 90,000 copies less.
 The album was certified Gold by the RIAA, indicating 500,000 units sold.
The band did not tour in support of the release, instead entering a hiatus shortly after its completion.
 Two singles were released in support of the album, the first of which was a somber cover of
John Lennon's "
 The second single, "
Passive", was one of just two original songs on the album, tracing back to writing sessions for
Trent Reznor's unreleased
 In the late 1990s, Reznor started the project for songs that did not fit
Nine Inch Nails, which eventually grew into a collaborative project with a number of other musicians.
 One track, "Vacant", featured contributions from Keenan and Lohner in 1999, but with the project hitting
development hell due to creative and legal hurdles of many of the participants in the early 2000s, A Perfect Circle began playing the track at live shows.
 With the project being shelved completely by 2004, Keenan decided to rework the track as "Passive" for Emotive.
 Additionally, two weeks after the release of the album release, on November 16, 2004, the band released the CD/DVD compilation set entitled
Amotion. The DVD part contained the music videos for band six singles; while the CD is composed entirely of remixes of the singles from Mer de Noms and Thirteenth Step.
Hiatus and other projects (2005–2009)
The band entered a hiatus in January 2005, with members turning to their own separate projects.
 Keenan rejoined Tool to record what would be 2006's
10,000 Days, Howerdel began pursuing a solo career, and the rest joined various other touring or sessions recording roles.
 The band's fate remained uncertain in the following years. It was referred to as "hiatus or done until further notice" by Howerdel in October 2005, on "life-support" by Keenan in April 2006,
 and "done for now" by Howerdel in May 2006.
 Towards the end of 2007, Keenan spoke more optimistically about the band reforming someday, but felt that it would probably be in a more limited capacity - for a tour or a new single release, not another full-length studio album.
 Keenan explained:
The real problem with running Tool and A Perfect Circle at the same time was they both operate the same way. They're both live touring bands with a label, still working under the old contract mentality. So I thought it was time to let A Perfect Circle go for now and let Billy explore himself. It's tough for a guy who went from being a guitar tech [for Tool] to being in a band with a pretentious, famous singer and having to live in that shadow. It was important for Billy to go and do his own thing and really explore his own sound and let people hear what he has to say and how he would do it on his own, and then we'll get back and do some A Perfect Circle stuff.
— Maynard James Keenan, Revolver, December 2007
During the time, Howerdel continued to work on projects with various past A Perfect Circle members. In 2005, he wrote and composed the soundtrack to
Jak X: Combat Racing, collaborating with Van Leeuwen, Lenchantin, and Freese on a number of tracks.
 Howerdel continued to work on recording a solo album from 2005 through 2007; the sessions were difficult, so he eventually began collaborating with past A Perfect Circle members, including Lohner as a producer, Freese as a drummer, and Lenchantin as a co-writer for a track.
 The material was eventually released under the name
Ashes Divide on the album
Keep Telling Myself It's Alright in early 2008.
 Meanwhile, Keenan had moved on from working with Tool, and started up a solo-project of sorts on his own, called
Puscifer, of which he began releasing studio albums for in 2007.
 Despite both projects going, both Keenan and Howerdel released statements in 2008 that the band was not dead.
Reformation, touring, compilation releases (2010–2016)
As early as December 2008, Keenan had mentioned that he and Howerdel had passively and separately been writing new material for A Perfect Circle,
 although the band would officially remain in hiatus and largely out of the view of the public through mid-2010.
 On September 2010, the band officially announced the end of their hiatus, indicating they would again return to live performances.
 Keenan, Howerdel, Freese, and Iha all returned to their respective roles, though, with Lenchantin and White unavailable, the band recruited Matt McJunkins, touring bassist for Ashes Divide and Puscifer, to join as bassist.
 The performances, running through the end of 2010, included traveling to five separate cities for three nights of shows in each city, with each night containing a complete, in-order performance of one of each of their three albums - Mer de Noms, Thirteenth Step, and Emotive - notably being the first time most of the material from the latter had ever been performed live.
 Throughout the year the band would discuss the prospect of new material, but with uncertainty. Keenan continued to insist that logistics and industry trends made recording another full album unlikely,
 and that single one-off songs would be more likely.
 Howerdel noted that he had been writing material and presenting rough demos to Keenan since 2008, but that much of the material was in a state of flux, some being accepted by Keenan as potential A Perfect Circle material, while other being rejected by Keenan, and/or saved by Howerdel for a prospective Ashes Divide release in the future.
The band continued their live performances into 2011, including a North American tour that spanned May through August.
 Notable events included
Rock on the Range,
Kanrocksas Music Festival,
 a performance at the
Red Rocks Amphitheatre.
 Freese, who had already committed to drumming for
Weezer during the same time-frame, was only able to perform at the opening show,
 and was replaced by Jeff Friedl for the remainder of the shows, who, like McJunkins, had previously worked with both Ashes divide and Puscifer.
 Keenan and Howerdel continued to allude to recording new music, but continued to state that the process was slow, the logistics of money and availability made it difficult, and that a full album was still unlikely, in favor of single songs instead.
 Only one new song, "
By and Down", was performed at the shows.
 By the end of the year, Keenan revealed that none of the material was ready for release, and that moving into 2012, he and Keenan were moving back into their respective other projects - Puscifer and Ashes Divide.
 The band was inactive over the course of 2012, outside of a single live show in December.
 However, just prior to the show, in October 2012, Freese announced he would be permanently leaving the band, with Friedl becoming his permanent replacement.
The band played a few live shows in early 2013, including
Soundwave Music Festival in Australia
 though Keenan reported that they had still yet to complete any new tracks due to their other commitments.
 Later in the year, the band announced two separate compilation releases for November 2013. The first, a
greatest hits album entitled
Three Sixty, containing one new studio recording, "
By and Down", and the second, a
box set entitled
A Perfect Circle Live: Featuring Stone and Echo.
 The box set contained four CDs of live music: one for each of their three entire-album performances of Mer de Noms, Thirdteenth Step, and Emotive done in 2010, collectively dubbed Trifecta, and a recording of their 2011 performance at the Red Rocks Amphitheatre, dubbed Stone and Echo.
 The set also came with DVD video recording of the 2011 Stone and Echo performance.
 In promoting the releases, Howerdel commented on future releases once again, stating that he felt they had "75% of the foundation of [the next] A Perfect Circle record ready", though he conceded that they were still without Keenan's lyrics or vocal melodies, and could still change depending on Keenan's reaction to the material.
 He also conceded that they still disagreed on the release medium; Keenan preferred smaller releases, while Howerdel preferred the format of a full album.
 Shortly after, the band again fell into a few years of public inactivity, with little occurring outside of Howerdel's 2015 commentary reiterating his commitment to the band,
 and Keenan's early 2016 commentary reiterating he still hoped to return to the band.
Eat the Elephant (2017–present)
The band became active again in 2017, with the announcement that they would reform to embark a North American tour in April and May 2017,
 with the intention of using the live performances of new material as motivation to finish recording the album, similar to how they had embarked on their first 1999 tour to inspire the completion of Mer de Noms.
 In March, the band announced they had signed a new record contract - their first in thirteen years - to release a fourth full-length studio album through
BMG Rights Management.
 Howerdel initially gave a tentative timeframe of between November 2017 to early 2018 for the new album,
 while Keenan stated that the album wouldn't be out in 2017.
 A second North American tour began in October, and runs through December 2017.
 The band continued to debut new songs during the tours, including the tracks "Feathers"
 and "Hourglass".
The band's fourth studio album,
Eat the Elephant, is scheduled for release on April 20, 2018.
 Three singles were released in advance of the album; "
The Doomed" in October 2017, "
Disillusioned" in January 2018, and "
TalkTalk" in February 2018.
 The album marks the first time the band opted to work with an outside
music producer -
 Sardy helped Keenan and Howerdel find common ground in musical ideas in the recording process, helping them find a path to move forward in finishing the album.
 The band will tour extensively in 2018 in support of the album, including performances at
Rock on the Range
 Iha was unavailable to perform in the April through July performances due to his commitment to the
Smashing Pumpkin's 2018 reunion, and will be temporarily replaced for the live performances by
Greg Edwards of
Failure, though Iha still remains a member of the band.