This is a combination of two different audience recordings of the Rolling Stones live in Essen, West Germany, October 10, 1973. The first is directly from a master cassette by the taper. Not sure if it has circulated before, but it is definitely different to the LP recording.
Audience->Phillips? cassette recorder/"popsy" low noise cassette
Combined with the relatively well known recording originally released by TAKRL on their LP "The Jean Clarke Mammorial Sonic Barbecue." This is an excellent, up front audience recording; so good that some people have tried to pass it off as a soundboard. This recording is best heard direct from vinyl. The LP is lacking in bass, so it is boosted considerably. Tracks 15 and 16 are from Hamburg, October 2, 1973, 1st show. Since they are on the LP they're added them as bonus tracks. They sound even better than the Essen tracks, so not sure why TAKRL didn't use more of them.
Audience->LP->Music Hall turntable/Ortofon cartridge/Adcom preamp
Incidentally the LP tracks are pretty widely available on the Midnight Beat CD "The Stars in the Sky They Never Lie," which is named after a German LP copied from the TAKRL LP, but their noise reduction removes some of the excitement or energy from the recording.