| ACT | COUNTRYCNT | EDITIONED | FESTIVALFES |
|---|---|---|---|
| Oaktree | BEBelgium 2016 | | |
| Oscar and The Wolf | BEBelgium 2016 | | |
| Oscar & the Wolf | BEBelgium 2015 | | |
| Oscar and the Wolf | BEBelgium 2013 | | |
| Ozark Henry | BEBelgium 2007 | | |
| Orange Black | BEBelgium 2003 | | |
| Orange Black | BEBelgium 2000 | | |
| Ozark Henry | BEBelgium 1999 | |