YABBY YOU / BEWARE DUB •Personnel: Vivian "Yabby You" Jackson (vocals); Skully (vocals, percussion); Tommy McCook, The Prophets, Tony Tuff (vocals); Albert Griffiths, Chinna Smith (guitar); Bernard Harvey (piano); Ansell Collins (organ); Robbie Shakespeare (bass); Sly Dunbar (drums). •Includes liner notes by Randall Grass. Vivian Jackson (14 August 1946 - 12 January 2010), better known as Yabby You (or sometimes Yabby U), was a reggae vocalist and producer, who came to prominence in the early 1970s through his uncompromising, self-produced work.