percussion on "Skunk" Leon Henderson – tenor saxophone on "Skunk" Joanne Hill – vocals on "Sister Anne" Larry Horton – trombone on "Sister Anne" Skip "Van Winkle" Knapé – organ on "Miss X" Brenda Knight – vocals on "Sister Anne" Kinki Le Pew – percussion on "Gotta Keep Movin" Charles Moore – flugelhorn, vocals on "Sister Anne", trumpet, horn arrangement on "Skunk" Dr. Dave Morgan – percussion on "Skunk" Scott Morgan – percussion on "Skunk" Butch O'Brien – bass drum on "Sister Anne" David Oversteak – tuba on "Sister Anne" Bob Seger – percussion on "Skunk" Technical Geoffrey Haslam – production, engineering Mark Schulman - art direction Francis Ing - cover photography References External links 1971 albums MC5 albums Atlantic Records albums Albums produced by Rob Tyner Albums produced by Fred "Sonic" Smith Albums produced by Wayne Kramer (guitarist) Albums produced by Dennis Thompson (drummer)