| 646 T AO O Sole Mio |
| 668 T AR Obla Di Latin |
| 667 T AR Obla Di Swing |
| 279 M AR Oh what a beautiful Morning |
| 280 T AO Oh you beautiful Doll |
| 759 T IRP Old Cape Cod |
| 880 T IRP Old Devil Moon |
| 161 M IRP Old Man River |
| 143 M AR On a Clear Day |
| 155 M AR On the Street where you live |
| 281 M AO IRP On the Sunny Side of the Street |
| 160 T AO IRP Once I loved |
| 159 T AO IRP One Note Samba |
| 881 T IRP Only Trust Your Heart |
| 833 T IRP Only You |
| 325 T AO Our Love is Here to Stay |
| 590 T AO IRP Our_Love_Is_HTS_F |
| 882 T IRP Out of Nowhere |
| 156 M AO IRP Over the Rainbow |