Audience > TDK TD90 cassette
Hawkwind performing under the name Agents of Chaos (AOC) - popularly known as HawkDog.
LINE UP info is a bit sketchy... Brock was definitely there, take your pick from this lot for the rest:
Dave Brock on Guitar, Synths & Vocals
Harvey Bainbridge on Synths & Vocals
Jerry Richards on Lead Guitar & Vocals
Steve Mills on Vocals
Alf Hardey on Keyboards
Mark Bannister on Guitar
Andy Copeland on Drums
Tim Kelsall on Bass Guitar & Vocals