- O Baby! I met Mitt in AmerC.I.A.!
- O Sun-Baby! I’m A-Lovin’ You!
- Ocean (by Mirakali)
- Odin’s Daughter
- Of Love I Sing
- Oh, Baby! How Much You Need Me!
- Oktoberfest Lied
- On One Summer’s Morn
- On The Grounds Of Fire
- On The Razor’s Edge
- On The Way
- On The Way To World Unity (by Mirakali)
- One Dream (by Mirakali)
- One Thing For Sure
- One World Nations
- One World, One Love (by Mirakali)
- Only Love Can Bring Us Peace
- Open Your Hearts And Live Your Life – Öffnet Eure Herzen Und Lebt Euer Leben
- Optimist
- Orbit Rocker
- Orgasm City
- Orgastica Love & Freedom Fest
- Orgastica-DJ-Dream
- Orgastische Kraft (by Mirakali)
- Orion Rock
- Our Dream
- Our Saving Love & Sweetness
- Overdrive