Miles Davis was a renowned jazz musician and composer who was active from the 1940s to the 1990s. He is considered one of the most influential jazz musicians of all time, and his work has been highly acclaimed by critics and fans alike. His career spanned multiple genres, including bebop, cool jazz, hard bop, and fusion. He was also a pioneer in the use of electric instruments in jazz music. Davis released over 30 studio albums during his career, and his influence on jazz music continues to this day.