| Abbreviation | Definition |
|---|---|
| BRCB | Baton Rouge Concert Band |
| BRCB | Benalla Rose City Band |
| BRCB | Big Ronnie and the Circuit Breakers |
| BRCB | Bognor Regis Concert Band |
| BRE | Big Rock Ending |
| BRF | Band reject filter |
| BRFB | Blazing River Freedom Band |
| BRIDE | Bognor Regis International Dance Ensemble |
| BRMB | Bringing Real Music Back |
| BRMT | Blue Ridge Music Trails |
| BRO | Beats Rhymes Originality |
| BRO | Big Rampant Organ |
| BROG | Baton Rouge Opera Guild |
| BRYO | Brisbane Regional Youth Orchestra |
| BRYO | Brunswick Regional Youth Orchestra |
| BS | Belle and Sebastian |
| BS | Blue Soul |
| BS | Brilliant Soliloquy |
| BSAB | Bellshill Salvation Army Band |
| BSB | BackStreet Boys |