- Oh No Not Susan prod. by Jeff Lynne
- One Day prod. by Jeff Lynne
- One More Time prod. by Jeff Lynne
- One Step at a Time prod. by Jeff Lynne
- One Summer Dream prod. by Jeff Lynne
- On My Mind prod. by Jeff Lynne
- On the Run prod. by Jeff Lynne
- On The Run (Home Demo) prod. by Jeff Lynne
- Opening prod. by Jeff Lynne
- Ordinary Dream prod. by Jeff Lynne
- OSAKA (Ft. ZICO) prod. by ELO (엘로) (KOR)
- Out of Luck prod. by Jeff Lynne
- Point of No Return prod. by Jeff Lynne
- Poker prod. by Jeff Lynne
- Poor Boy (The Greenwood) prod. by Jeff Lynne
- Prologue prod. by Jeff Lynne
- Queen of the Hours prod. by Jeff Lynne & Roy Wood
- Rain Is Falling prod. by Jeff Lynne
- Rockaria! prod. by Jeff Lynne
- Rock 'n' Roll is King prod. by Jeff Lynne