Rising to prominence with the birth of modern jazz in the mid-1940s, when he was a sideman in Charlie Parker’s bop quintet, Davis became a dominant force in jazz trumpet. He was influential in the development of “cool” jazz, led many small groups through the 1950s and 60s, and produced a successful blend of jazz and rock music in the 1970s and 80s. His trumpet and flügelhorn styles were warmly lyrical and marked by a brilliant use of mutes. How old was Davis when he began to study music? Discuss