Miles Dewey Davis III (May 26, 1926 – September 28, 1991) was an American jazz trumpeter, bandleader, and composer. He is among the most influential and acclaimed figures in the history of jazz and 20th century music. Davis adopted a variety of musical directions in a five-decade career that kept him at the forefront of many major stylistic developments in jazz.

Born and raised in Alton, Illinois, Davis left to study at the Juilliard School in New York City, before dropping out and making his professional debut as a member of saxophonist Charlie Parker‘s bebop quintet from 1944 to 1948. Shortly after, he recorded the Birth of the Cool sessions for Capitol Records, which were instrumental to the development of cool jazz. In the early 1950s, Miles Davis recorded some of the earliest hard bop music while on Prestige Records but did so haphazardly due to a heroin addiction. After a widely acclaimed comeback performance at the Newport Jazz Festivalin 1955, he signed a long-term contract with Columbia Records and recorded the 1957 album ‘Round About Midnight. It was his first work with saxophonist John Coltrane and bassist Paul Chambers, key members of the sextet he led into the early 1960s. During this period, he alternated between orchestral jazz collaborations with arranger Gil Evans, such as the Spanish-influenced Sketches of Spain (1960), and band recordings, such as Milestones (1958) and Kind of Blue (1959). The latter recording remains one of the most popular jazz albums of all time, having sold over four million copies in the U.S.

Davis made several line-up changes while recording Someday My Prince Will Come (1961), his 1961 Blackhawk concerts, and Seven Steps to Heaven (1963), another mainstream success that introduced bassist Ron Carter, pianist Herbie Hancock, and drummer Tony Williams. After adding saxophonist Wayne Shorter to his new quintet in 1964, Davis led them on a series of more abstract recordings often composed by the band members, helping pioneer the post-bop genre with albums such as E.S.P (1965) and Miles Smiles (1967), before transitioning into his electric period. During the 1970s, he experimented with rock, funk, African rhythms, emerging electronic music technology, and an ever-changing line-up of musicians, including keyboardist Joe Zawinul, drummer Al Foster, and guitarist John McLaughlin. This period, beginning with Davis’ 1969 studio album In a Silent Way and concluding with the 1975 concert recording Agharta, was the most controversial in his career, alienating and challenging many in jazz. His million-selling 1970 record Bitches Brew helped spark a resurgence in the genre’s commercial popularity with jazz fusion as the decade progressed.

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