- Nothing To Do About Much by Gilbert O'sullivan
- Nothing To Fear by Gilbert O'sullivan
- Number 4 by Gilbert O'sullivan
- Oh Why,oh Why,oh Why by Gilbert O'sullivan
- Ooh Baby by Gilbert O'sullivan
- Ooh-wakka-doo-wakka-day by Gilbert O'sullivan
- Or So They Say by Gilbert O'sullivan
- Our Own Baby by Gilbert O'sullivan
- Out Of The Question by Gilbert O'sullivan
- Outro (back To Front) by Gilbert O'sullivan
- Outro (himself) by Gilbert O'sullivan
- Outtro (back To Front) by Gilbert O'sullivan
- Passport Photos by Gilbert O'sullivan
- Permissive Twit by Gilbert O'sullivan
- Please Don't Let My Weakness Show by Gilbert O'sullivan
- Pretty Polly by Gilbert O'sullivan
- Say Goodbye by Gilbert O'sullivan
- Say Ireland by Gilbert O'sullivan
- Sex Appeal by Gilbert O'sullivan
- Showbiz by Gilbert O'sullivan
- Showbiz (reprise) by Gilbert O'sullivan
- Shy by Gilbert O'sullivan
- So What by Gilbert O'sullivan
- Sometimes by Gilbert O'sullivan
- Stick In The Mud by Gilbert O'sullivan
- Susan Van Heusen by Gilbert O'sullivan
- That's A Fact by Gilbert O'sullivan
- That's Love by Gilbert O'sullivan
- That's Were I Belong by Gilbert O'sullivan
- That's Why I Love You by Gilbert O'sullivan
