-  Oasis 6 albums whith hits [Song Bird,Better Man,Wonderwall]

-  Offspring album: Conspiracy Of One,Americana,Ixnay On The Hombre & hits

-  O-Town 2 albums: O2 (2002), O-Town [Favorite Girl, All Or Nothing]

-  Our Lady Peace 5 albums: Gravity,Spiritual Machines,Happiness Is Not A Fish...,Clumsy,Naveed

-  Outkast 4 albums: Stankonia, Aquemini, ATLiens, Southernplayalisticadillacmuzik [Ms. Jackson]

-  Ozzy Osbourne 9 albums: Down To Earth,Ozzmosis,No More Tears,No Rest For The Wicked,The Ultimate Sin,Bark At The Moon,Speak Of The Devil,Diary Of A Madman,Blizzard Of Ozz

-  Osbourne, Kelly album: Shut Up [Papa Don't Preach]