last updates:
2011 0427: /concerts, added 1970 Viersen gig, updated 30/11/1980 Mainz gig, updated 24/04/1975 Memphis gig.
20090111: /concerts, added 2008 and 2009 concerts, added venue for 1970 essen, updated 19811202 böblingen venue, added 1970 heide, added 19710206 bochum, updated venue st.ingbert saal 11/07/1971, added 19730519 frankfurt, added 1981 longbeach, added 1981 los angeles, corrected 1981 luxemburg, added 03/06/1981 montpellier, added 1971 griessem
20090111: /bootlegs, corrected brain to midi/levendige menschen tracklist.
20080312: /concerts, added: 4 new USA 2008 dates for concerts