Pressed By SRT
Bootleg 7 released between 1988 and 1989.

Sleeve states Concept & Arrangement by Messenger / Dartnell

The Slog is a cut-up megamix filled with vocal and instrumental samples from many Led Zeppelin songs layered over the beat from When The Levee Breaks.

Black Dog is an acoustic version of the song, but many Zeppelin experts debate whether or not it is an genuine outtake or a cover band performing it.

Runouts are etched.

Pressing Plant ID: SRT
Matrix / Runout: ( NC 1 A ) (Side A label)
Matrix / Runout: ( NC 1 B ) (Side B label)
Matrix / Runout: SRT + 8KS + 1773 + A SRT (Side A runout)
Matrix / Runout: SRT + 8KS + 1773 + B SRT (Side B runout)