| Ottmar Liebert | 7 Guitar Pro Tabs |
| Otto Brandenburg | 1 Guitar Pro Tab |
| Otto Kotilainen | 1 Guitar Pro Tab |
| Otto Waalkes | 1 Guitar Pro Tab |
| Otus | 1 Guitar Pro Tab |
| Otyg | 1 Guitar Pro Tab |
| Our Innocence Lost | 2 Guitar Pro Tabs |
| Our Lady Peace | 30 Guitar Pro Tabs |
| Our Last Night | 5 Guitar Pro Tabs |
| Our Reflections | 1 Guitar Pro Tab |
| Out Of Enemies | 1 Guitar Pro Tab |
| Out of Misery | 1 Guitar Pro Tab |
| Out of Order | 1 Guitar Pro Tab |
| Out Of Reason | 1 Guitar Pro Tab |
| Out Of Sight | 1 Guitar Pro Tab |
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