backing vocals J.R. Bailey
backing vocals Ken Williams
backing vocals Mel Kent
bass Jerry Jemmott
bongos Nicky Marrero
congas Frankie Malabe
drums Bernard Purdie
engineer Jon Fausty
guitar Joe Beck
percussion Johnny Pacheco
piano Paul Griffin
producer Marty Sheller
vibraphone Louie Ramirez
vocals Ralfi Pagan
Mastered At Sterling Sound
Loneliness Loneliness is printed Loneliest Loneliness on inner label.

All the runout information on each side is etched except for STERLING, which is stamped.
Matrix / Runout: SLP-00488-A IS STERLING (Side A runout)
Matrix / Runout: SLP-00488-B STERLING (Side B runout)