Here are the credits for Hard to Believe:
The Unusual Suspects:
JD Carroll
Sid Lagosi
Brian F.
Jason R.
Wanda V.
Paul M.
Written by J.D. Carroll
Music and lyrics copyrighted by J.D. Carroll / Creative Ventures Music, Inc. / ASCAP
Recorded and mixed at Creative Ventures Studios
Recording / Mix Engineer: Sid Lagosi