A onetime member of the R&B boy band B2K, Omarion has spent the last few years stuck in label limbo. As a result, some of the material on Ollusion, the overdue follow-up to 2006's 21, feels a little bit dated. ''I Think My Girl Is Bi''? Someone alert Katy Perry. He fares better with tracks like ''I Get It In,'' a stripped-down, ''A Milli''-style banger that features a cameo from rapper-of-the-moment Gucci Mane, and ''Last Night (Kinkos),'' which finds Omarion running down all the kinky possibilities of love in a copy shop. B-
Download This: Listen to the song Last Night (Kinkos) at myspace.com
