SongsThe songs were written by George S. Clinton and Colby and Iris Recht. Nothing memorable, unless you love bad music... REALLY BAD MUSIC!
The following song tracks were featured in
The Apple:
Track names in Bold are linked to a Soundtrack release.BIM - Grace Kennedy, Allan LoveUniversal Melody - Mary Hylan, George GilmourComing - Grace KennedyI Found Me - Grace KennedyThe Apple - Allan LoveCry For Me - Mary Hylan, George GilmourSpeed - Mary HylanCreation - Joss AcklandWhere Has Love Gone - George GilmourShowbizness - Vladek Sheybal, Ray ShellMade For Me - Mary Hylan, Allan LoveHow To Be A Master - Vladek Sheybal, Grace Kennedy, Allan Love, Ray ShellChild Of Love - Joss Ackland, Mary Hylan, George GilmourAre We Missing Any?Song Trivia

According to the end credits of the film, Catherine Mary Stewart didn't do her own singing. That task fell to Mary Hylan. The Apple is her only credit on the IMDb.
Add some more trivia about the songs used in The Apple
1980
Canada's new pop sensations...Take off, eh?