John Symon Asher "Jack" Bruce (born 14 May 1943) is a Scottish musician and songwriter, known as a founding member of the British psychedelic rock power trio, Cream, in the late 1960s.
He has maintained a solo career to date that spans several decades, and also has participated in several critically acclaimed musical ensembles. Easily recognised as a memorable vocalist and bass guitarist, Bruce has been referred to as a "World-class pioneer in his main instrument; a composer of some of the most endurable and recognisable rock songs of our time; an accomplished classical, jazz and Latin musician and one of popular music's most distinctive and evocative voices." Bruce is also trained as a classical cellist. However, despite all other genres of music with which he is associated, Bruce has always considered himself to be a jazz musician, although much of his catalogue of compositions and recordings tend to evoke the blues and rock and roll. The Sunday Times stated "... many consider him to be one of the greatest bass players of all time."