| Abbreviation | Definition |
|---|---|
| LFMH | Langton Festival of Music and Health |
| LG | Ladies Guitar |
| LG | Lady Gaga |
| LG | Lady Gibson |
| LG | Little Guitar |
| LGBA | Lesbian and Gay Band Association |
| LGBE | London Gabrieli Brass Ensemble |
| LGCB | Lake George Community Band |
| LGMF | Lake George Music Festival |
| LGMF | Lakshminarayana Global Music Festival |
| LGO | Leipzig Gewandhaus Orchestra |
| LGOR | La Gran Orquesta Republicana |
| LHB | lower Hubbard band |
| LHHH | Love and Hip Hop Hollywood |
| LHMC | La Habra Music Center |
| LHS | Left Hand Scale |
| LHSO | London Hungarian Symphony Orchestra |
| LI | Lead In |
| LIAC | Leavenworth International Accordion Celebration |
| LIBIDO | Lindsay I Brockington Int Dream Orchestra |