- One for Joan by Charles Lloyd prod. by George Avakian
- One of Us Cannot Be Wrong by Leonard Cohen
- Only In America, Jim by Hirth Martinez
- On the Road by John Hartford
- Our Love Affair’s in Question by The Cyrkle
- Overs by Simon & Garfunkel
- Overture by Blood, Sweat & Tears
- Piece of My Heart by Big Brother and the Holding Company
- Piece of My Heart by Janis Joplin
- Please Don't Ever Leave Me by The Cyrkle
- Problem Child by The Cyrkle
- Punky's Dilemma by Simon & Garfunkel
- Pussywillows, Cat-Tails by Gordon Lightfoot
- Rag Mama Rag by The Band
- Red Rubber Ball by The Cyrkle
- Rockin' Chair by The Band
- Rubber Band by Cass Elliot
- Sanpaku by Michael Franks
- Satisfaction Guaranteed by Michael Franks
- Save the Life of My Child by Simon & Garfunkel prod. by Art Garfunkel & Paul Simon