Billy Cox — Concert Photography by Wayne Dennon
William Cox is an American bassist, best known for performing with Jimi Hendrix. Cox is the only living musician to have regularly played with Hendrix: first when both were in the Army, then in 1969 with the interim group that backed Hendrix at Woodstock, followed by the trio with drummer Buddy Miles that recorded the live Band of Gypsys album, and, lastly, The Cry of Love Tour trio with Mitch Mitchell back on drums. Cox continues to perform dates with the Band of Gypsys Experience and the Experience Hendrix Tour.
Summary source: Wikipedia