Other Popular Artists (Oo) [277]	Oasis [116]
Obituary [19]	Obliveon [15]
Oceana [8]	Offspring (The) [206]
Oficina G3 [10]	Old Man's Child [23]
Oldfield Mike [37]	One Ok Rock [11]
Onose Jun [10]	Oomph! [12]
Opeth [217]	Orange Seabones [13]
Orcblood [8]	Orgy [15]
Orphaned Land [12]	Osbourne Ozzy [153]
Ossian [9]	Otro Yo El [31]
Our Lady Peace [12]	Our Last Night [10]
Out of Yesteryear [9]	Outlaws [11]
Output [18]	Overkill [36]
Overload [17]	Ozielzinho [30]