If this film still haunts you, you better get this one while you can, copies are difficult to come by and the soundtrack is extremely hard to find or expensive as it is a score from the film.
April Fool’s Day (Digital)
April Fool's Day Soundtrack
Here's a link to an interview after the 30th celebration/showing of April Fool's Day in 2016 at the Avon Theatre Film Center in Stamford, Connecticut with Deborah Goodrich Royce (Nikki), Amy Steel (Kit), Deborah Foreman (Muffy/Buffy) and Leah Pinsent (Nan).
An added bonus, "Too Bad You're Crazy" by Jerry Whitman