Bassist who was known as "The Walker" due to his signature rhythmic bass lines, which featured a series of ascending or descending notes.
He taught himself how to play bass and became an established artist in the jazz scene during the 1950s and 1960s.
He performed on Swiss Movement, one of the most successful jazz albums ever released.
Not a lot of information was known about his private life.
He played on many famous albums, including Saint Dominic's Preview by Van Morrison.