N P


 
Mark O'Connor 2
Maura O'Connell 5
Pete O'Connell 1
Sinead O'Connor 1
Mary Margaret O'Hara 2
Calliope 1
Danny O'Keefe 10
Gilbert O'Sullivan 1
Eliades Ochoa 1
Phil Ochs 1
Odetta 1
Mike Oldfield 1
David Olney & The X'Rams 1
The Only Ones 2
Clay Allison 1
Opal 3
Orleans 2
Le Orme 1
Beth Orton 2
Osanna 2
Joan Osborne 2
The Otters 1
The Outlaws#2 1
Outlaws 1
The Ozark Mountain Daredevils 2
Ozric Tentacles 11