WB // (c)/(p) 1991 Warner Bros. Records Inc. for the U.S. and WEA International Inc. for the world outside of the U.S. - Manufactured and distributed by Warner Music Australia
Funk Rock, Alternative Rock
- Funk rock, alternative rock
Flea – bass, percussion on "breaking the girl"
John Frusciante – electric and acoustic guitars, backing vocals,
Anthony Kiedis – lead vocals
Chad Smith – drums, percussion on "breaking the girl"
Brendan O'Brien – mellotron on "Breaking the Girl" and "Sir Psycho Sexy", B3 Organ on "Suck My Kiss" and the B-Side "Soul To Squeeze"
Gail Frusciante and her friends – choir vocals on "Under the Bridge"
Pete Weiss – jew's harp on "Give It Away"