Rafael Hernández Marín was born in the town of
Aguadilla, Puerto Rico, into a poor family, on October 24, 1892. His parents, were María Hernández Marín and Miguel Angel Rosa, though he was given only his mother's surname.
 As a child, he learned the craft of
cigar making, from which he made a modest living. He also grew to love music and asked his parents to permit him to become a full-time music student. When he was 12 years old, Hernández studied music in
San Juan, under the guidance of music professors
Jose Ruellan Lequenica and
Jesús Figueroa. He learned to play many musical instruments, among them the
 At the age of 14, he played for the Cocolia Orquestra. Hernández moved to San Juan where he played for the municipal orchestra under the director
Manuel Tizol. In 1913, Hernández had his first child, Antonio Hernández, (out of wedlock) to Ana Bone.
World War I and the Orchestra Europe
Rafael Hernández (left) with his brother Jesús during World War I, c. 1917.
In 1917, Hernández was working as a musician in
North Carolina, when the United States entered World War I. The
James Reese Europe recruited brothers Rafael and Jesús Hernández, and 16 more Puerto Ricans to join the
United States Army's Harlem Hell fighters musical band, the Orchestra Europe. He enlisted and was assigned to the
U.S. 369th Infantry Regiment (formerly known as the 15th Infantry Regiment, New York National Guard, created in New York City June 2, 1913). The regiment, nicknamed "The Harlem Hell Fighters" by the Germans, served in France. Hernández toured Europe with the Orchestra Europe. The 369th was awarded the French
Croix de guerre for battlefield gallantry by the President of France.
Hernandez and Pedro Flores
After the war, Hernández moved to New York City. In the 1920s, he started writing songs and organized a trio called "
Trio Borincano". In 1926, fellow Puerto Rican
Pedro Flores joined the Trio. Even though Hernández and Flores became and always remained good friends, they soon went their separate ways and artistically competed against each other. After the trio broke up, he formed a quartet called "Cuarteto Victoria" which included singer
Myrta Silva, also known as La Guarachera and La Gorda de Oro. With both groups, Hernández traveled and played his music all over the United States and Latin America.
 On September 2, 1927, Hernández' sister
Casa Hernandez, a music store which also acted as a booking agency and base of operations for her brother.
 In 1929, Trío Borinquen recorded Linda Quisqueya (originally titled Linda Borinquen) and that same year he founded the "Cuarteto Victoria" (also known as "El Cuarteto Rico") named after his sister.
In 1932, Hernández moved to Mexico. There, he directed an orchestra and enrolled in Mexico's National Music Conservatory to further enrich his musical knowledge. Hernández also became an actor and organized musical scores in Mexico's "golden age" of movies. His wife (and eventual widow) is Mexican.
"Lamento borincano" and "Preciosa"
In 1937, Hernández wrote "
Lamento borincano". That same year, he also wrote "
Preciosa". In 1947, Hernández returned to Puerto Rico and became the director of the orchestra at the government-owned
Hernandez also composed
Christmas music, Danzas, Zarzuelas, Guarachas, Lullabies, Boleros,
Waltzes and more.
Hernández's works' include "Ahora seremos felices" (Now We Will Be Happy), "Campanitas de cristal" (Crystal Bells), "Capullito de Alhelí", "Culpable" (Guilty), "El Cumbanchero"
 (also known as "Rockfort Rock" or "Comanchero" (sic) to
reggae aficionados), "Ese soy yo" (That's Me), "Perfume de Gardenias" (Gardenia's Perfume), "
Silencio" (Silence), and "Tú no comprendes" (You Don't Understand), among 3,000 others. Many of his compositions were strongly based on Cuban musical idioms, such as the guaracha "
Cachita" and the pachanga "Buchipluma na' ma'", which were often mistaken as songs by Cuban authors.
 His music became an important part of Puerto Rican culture.
Later years and death
Hernández was Honorary President of the Authors and Composers Association. He was also the founder of little league
baseball in Puerto Rico. President
John F. Kennedy christened him "Mr. Cumbanchero".
Hernández died in San Juan on December 11, 1965, shortly after
Banco Popular de Puerto Rico produced a TV special in his honor in which he addressed the people for the last time. The special was simulcast on all TV and most island radio stations. The TV special was rebroadcast on May 13, 2007. Rafael Hernández's remains are buried in the
Santa María Magdalena de Pazzis Cemetery of
Old San Juan.