Early in Peter’s career way back in 1991, he appeared in a Swedish production of “Grease” as Teen Angel, the role made famous by Frankie Avalon in the movie.
A mini documentary has appeared on Youtube and you can see behind the scenes shots of Peter as well as an interview and him singing “Slut på glamouren” (aka “Beauty School Drop Out”).
Check out the documentary below. Peter’s parts start at about the 5:20 mark, the interview at about 5:40 and the singing at about 6:30.
Peter Jöback - An Unofficial Home Page 