Songbook
| Title ▲ | Artist | Key | Capo |
|---|---|---|---|
| Oops I Did It Again | Britney Spears | G | 4 |
| Oostende Bonsoir | Arno | Em | |
| Opale | Les Innocents | C | 1 |
| Open Arms | Journey | D | |
| Open Arms | Tracy Chapman | C | 1 |
| Open Door | You+Me | E | 2 |
| Open Season | Josef Salvat | E | |
| Open The Eyes Of My Heart | Women Of Faith | Eb | |
| Open Up | Matt Simons | C | 1 |
| Open Up (Dis-Le Moi) | Matt Simons | C | 1 |
| Open Your Eyes | John Legend | Gb | |
| Open Your Mind | Melissa Etheridge | A | |
| L'opéra | Bertrand Belin | E | 1 |
| L'opéra | Yves Duteil | E | |
| L'opéra Du Mendiant | Nicola Ciccone | Am | 2 |
| Operator | Grateful Dead | F | |
| Operator (That's Not The Way It Feels) | Jim Croce | G | |
| Opinion | Nirvana | F | |
| Opium | Daniel Bélanger | A | |
| Opium | Jacques Dutronc | B | |
| L'opportuniste | Indochine | B | |
| L'opportuniste | Jacques Dutronc | G | |
| Oppression | Ben Harper | G | |
| Optimistic | Radiohead | D | |
| L'or | Keith Kouna | A |