Cannonball Adderley was an influential American jazz alto saxophonist, born on September 15, 1928, in Tampa, Florida. He gained prominence in the late 1950s and 1960s, known for his vibrant sound and engaging improvisation. Adderley played with notable musicians, including Miles Davis and Bill Evans, and was a key figure in the development of hard bop. His most famous work includes the hit song "Mercy, Mercy, Mercy," which showcased his ability to blend jazz with soul and blues elements. Adderley led his own quintet and recorded numerous albums, leaving a lasting impact on the jazz genre until his death on August 8, 1975.