Palm Springs Weekend
Starring Troy Donahue, Connie Stevens, Ty Hardin, Stefanie Powers, Robert Conrad, Andrew Duggan, Jack Weston, Carole Cook, Jerry Van Dyke, Zeme North
It's a comedy and musical movie, and has a rating of 5.9 out of 10 from Imdb which is fairly okay for this kind of movie.
Watch it here
Not found streaming from Austria.