The following are links to a database of known past Jack Bruce performances and appearances from 1996 to the present:
 

[1966-1968 (Cream)] [1969-1973] [1974-1979] [1980-1983]
[1984-1987] [1988-1990] [1991-1995] [1996-2002]

 
Thanks to Bob Elliott of Toronto, Canada for his undercover research.