Phineas Newborn, Jr. was an American jazz pianist, whose principal influences were Art Tatum, Oscar Peterson and Bud Powell. Newborn came from a musical family with his father being a blues musician and his brother (Edwin) Calvin Newborn (born April 27, 1933) being a jazz guitarist. Phineas studied piano as well as trumpet, and tenor and baritone saxophone.
Newborn first played in an R&B band led by his father (Phineas Newborn, Sr.), a drummer and with Tuff Green and his brother before moving on to work with Lionel Hampton, Charles Mingus, and others. His earliest recordings were with blues harmonica player Big Walter Horton.