I never heard of this: Shaun Cassidy sings Illia's theme:
Saw this on Facebook:
Speaking of STAR TREK THE MOTION PICTURE on it's 34th Anniv. This is a demo song by Shawn Cassidy he did on his lunch break whilst filming The Hardy Boys. Another version was done by a female studio singer. Neither was released, composer Jerry Goldsmith was totally opposed, but studios being studios they wanted the back end of Casey Kasem saying "At #12 this week...A Star Beyond Time...from Star Trek The Motion Picture"...and of course money coming from plays of that....
It is far better to grasp the universe as it really is than to persist in delusion, however satisfying and reassuring. Carl Sagan