| Abbreviation | Definition |
|---|---|
| BSBB | Back Side Big Band |
| BSBB | Boss Street Brass Band |
| BSBB | Budding Sound Big Band |
| BSBB | Burlington Street Bluegrass Band |
| BSBD | Blue Sky Black Death |
| BSBE | Bud Spencer Blues Explosion |
| BSCE | Brass String Chamber Ensemble |
| BSDM | Black Suicidal Death Metal |
| BSE | Best Song Ever |
| BSHMP | Bright Star Hybrid Music Project |
| BSJ | band saw job |
| BSJ | Best Smooth Jazz |
| BSMA | Bethany School of Music and Arts |
| BSMG | Boogie Shack Music Group |
| BSMG | Broad Street Music Group |
| BSMT | Bachelor of Science in Music Technology |
| BSMT | Bernstein School of Musical Theater |
| BSMT | British Society for Music Therapy |
| BSMT | Brooklyn School for Music and Theatre |
| BSN | Bassoon |