Koch sings of larger catalog.

By Susanne Ault

Koch Entertainment is singing a different tune, following the addition of about 500 music DVDs to its catalog.

Koch formally started offering these titles to retailers starting June 1. Koch gained these DVDs, plus more than 10,000 audio releases, upon the company's acquisition of Navarre's music distribution business in May.

Koch also retained Navarre's relationships with its distributed music labels and is taking the reigns on streeting Detroit Public Television's Bachman Cummings and The Best of Daniel O'Donnell on Film and Hurr