Joe Satriani (gtr); plus some others.
Satriani recorded a demo album during late 1983 while still in the Squares. It wasn't released until 1993, together with lots of live tracks and studio outtakes from later dates.
Material appears on...
Time Machine [2cd] : US 1993 Realitivity Records
Time Machine [2cd] : Austria 1993 Relativity 474515-2
The Beautiful Guitar [cd] : US 1993 Relativity/Sony