Un2talented (Book 3 of the Un2 Series)

Dorian, a motel night clerk and aspiring musician, mysteriously acquires chameleon-like abilities. When his best friend, Cadence, is taken by the underworld's ferryman he must travel through different realms and times to find her and bring her back. He is helped along the way by his truly unusual friends, a couple of demi-gods, a three-headed cat, and even a world-famous rock star with a mysterious past of his own. Dorian bumbles his way through loads of adventures with humor and puts his newly found abilities through their paces.