Complex sentence: The soundtrack alone generated about $5 million in profits--one of the first film soundtracks to earn such a sizable return--primarily from the biggest singles "Super Fly" and "Freddie's Dead".
Split into simpler sentences: The soundtrack alone generated about $5 million in profits; "Super Fly" was one of the first film soundtracks to do so. The biggest singles from the soundtrack were "Super Fly" and "Freddie's Dead".