Watch HDToday. Over the past seven years, Avalon has delighted Christian music listeners with their inspiring anthems and stirring vocals. With 18 #1 hits, the songs of Avalon have become staples at Christian radio. Now, for the first time in their career, Avalon releases a live performance DVD of some of their biggest hits. Testify To Love: Live In Concert offers the perfect reflection on Avalon's heralded past and delivers an exciting sneak preview of the future.