Oak Ridge Boys
Oak Ridge Boys & Blackwood Brothers
Oak Ridge Boys & Stamps Quartet
Oak Ridge Boys & The Harvesters
Oak Ridge Boys & The Jordanaires
Oaks Band
Oasis Worship
Oceans Above
Ocean's Edge
Odes Of Solomon
Of One Accord
Of The Day
Ohman Brass
Oklahoma Baptist Symphony
Old Fashioned Revival Hour Choir
Old Fashioned Revival Hour Quartet
Old Friends Quartet
Old Paths
Old Paths Trio
Old Time Gospel Hour Quartet
Old Time Gospel Hour Trio
Old Time Preachers Quartet
Old Tradition
Olivia Collingsworth
Ollis Family
Omega
Omega Quartet
One
One Accord
One Audience Piano
One Focus
One Heart
One Truth
One Voice
One Way
OneAccord
O'Neill Brothers
One-Man Quartet
OneVoice
Onul Kim
Opryland Gospel Quartet
Opus 7
Orchestrate The Universe
Ordained
Original Singing Wills Family
Orla Fallon
Orrell Quartet
Orrells
Otha Geeslin
Otis Skillings
Our Daily Bread
Our Father's Four
Out Of Eden
Ovation Chorale
Ovation Orchestra
Overflow
Ovid Young
Oxana Eliahu
Oxendines
Ozark Harmony Boys