*
monophonic ringtone artists beginning with: o
- Olive - Your Not Alone
- Oasis - Cigarettes & Alcohol
- One Minute Silence - I Wear My Skin
- Ocean Colour Scene - I Just Need Myself
- Out of Eden - Different now
- Out of Eden - Lovely day
- Out of Eden & the Katinas - Here's my heart-
- Orbital - Satan
- Orbital - Halcyion
- Outkast - Ghetto Music
- Oasis - Round Our Way
- Orbital - 3.1
- Orbital - Chime
- Obie Trice - Got Some Teeth
- Orinoko - Island
- Oleta Adams - Get Here
- OMC - How Bizarre
- Outkast - Hey Ya
- Ozzy & Kelly Osbourne - Changes
- Only Child feat Veba - Addicted
- Offspring - Hit That
- Oli Freke - Radium
- Orielle - All I Know
- Obie Trice feat Eminem - Drips
- Offspring - Da Hui
