Oscar Pettiford was an influential American jazz double bassist and cellist, born on September 19, 1922, in Okmulgee, Oklahoma. He played a significant role in the development of bebop and was known for his innovative techniques and compositions. Pettiford collaborated with many prominent jazz musicians, including Dizzy Gillespie and Thelonious Monk, helping to shape the sound of modern jazz. In addition to his work as a performer, Pettiford was a talented composer, creating pieces that are still celebrated today. He was one of the first bassists to use the cello in jazz, expanding the instrument's role in the genre. Pettiford passed away on April 8, 1960, but his contributions continue to influence musicians.