| Name | Format | Duration | Size | Date | |
|---|---|---|---|---|---|
| OBLADI.ROL | AdLib/Roland Song | 3m34s | 14KB | 1990-01-30 | |
| OCEAN.ROL | AdLib/Roland Song | 2m40s | 16KB | 1989-10-04 | |
| ODD.ROL | AdLib/Roland Song | 2m29s | 8KB | 1989-10-03 | |
| ODETOJOY.ROL | AdLib/Roland Song | 1m46s | 14KB | 1989-08-27 | |
| OH!YOU.ROL | AdLib/Roland Song | 3m12s | 12KB | 1989-10-09 | |
| OLD&GRAY.ROL | AdLib/Roland Song | 1m39s | 6KB | 1989-11-12 | |
| OLE'PAL.ROL | AdLib/Roland Song | 1m15s | 9KB | 1989-10-09 | |
| OLKINGCL.ROL | AdLib/Roland Song | 1m57s | 19KB | 1989-10-08 | |
| OMEGA.ROL | AdLib/Roland Song | 1m4s | 4KB | 1989-08-13 | |
| ONETIN.ROL | AdLib/Roland Song | 2m19s | 8KB | 1989-11-19 | |
| ONLY_YOU.ROL | AdLib/Roland Song | 48s | 4KB | 1991-03-09 | |
| OOPBOP.ROL | AdLib/Roland Song | 44s | 3KB | 1988-04-17 | |
| OP25MEND.ROL | AdLib/Roland Song | 5m | 117KB | 1989-11-07 | |
| OSOLEMIO.ROL | AdLib/Roland Song | 2m16s | 7KB | 1989-10-11 | |
| OURFATHR.ROL | AdLib/Roland Song | 2m3s | 4KB | 1991-03-25 |