A short but very informative interview with Ray Parker Jr., wherein he talks about the making of the song in a hurry.
And then I thought, there’s no way you’re going to sing ‘Ghostbusters’ in a song and make it sound good, so instead of singing it, I’d have a crowd answer me.”
The article even lists the various equipment he used to make the song and reveals who shouted out “Ghostbusters!” in the recording.
credit | Guise