Quell music not working

I recently decided to start over with Quell and Quell Reflect. I'm on a newer iPad (iPad Air 2) than when I originally played but the game downloaded fine from the cloud with all my progress preserved. However, NO MUSIC in either one!!!!

Part of the magic of playing Quell games is the music. Help! I'd be interested in getting Memento and Zen but I'm sarai's they'll have the same issue. How do I restore the music? 

Sounds is working just fine elsewhere.