Symphonic black metal is a style of black metal that incorporates symphonic and orchestral elements. This may include the usage of music workstation keyboards to conjure up "pseudo-orchestral" landscapes with default presets (e.g. strings, choirs, piano, organs, and pads), or full orchestral arrangements containing woodwinds, brass, percussion, keyboards and strings. Bands may feature solo instruments such as violins in addition to virtual or live orchestral arrangements. Vocals can be "clean" or operatic in style, and song structures are more defined or are inspired by symphonies, albeit not adhering to forms found in Western music (e.g. sonata, rondo, theme and variations) and following a typical riff-based approach. Many of the characteristics of traditional black metal are retained, such as shrieked vocals, fast tempos, high treble gain and tremolo picked electric guitars. The approached theme can be also considered wider that the traditional black metal, indeed a lot groups of symphonic black metal adduce to deal with themes such as the vampirism (Theatre des vampire, Cradle of Filth), the occultism and the paranormal ( Carach Angren). The political theme is also more neglected as in the other black metal subgenres.