| Abbreviation | Definition |
|---|---|
| GMT | Gospel Music Television |
| GMTA | Gainesville Music Teachers Association |
| GMTC | Gospel Music Training Center |
| GMTP | Gregs Music Theory Page |
| GMW | Global Musician Workshop |
| GMWA | Gospel Music Workshop Of America |
| GMWA | Gospel Music Workshop of America, Inc. |
| GNBB | Good News Big Band |
| GNBB | Great North Blues Band |
| GNH | Guns N Ho's |
| GNR | Guns N Roses |
| GNSM | Graduate of Northern School of Music |
| GNSO | Greater Newburgh Symphony Orchestra |
| GOA | The Gathering Of Arrangers |
| GOB | Glovers Old Boys |
| GOD | Guitar Over-Drive |
| GOMH | Ghosts of Motley Hall |
| GOOD | Getting Out Our Dreams |
| GORE | Ghosts Of REach |
| GOTC | Gold On The Ceiling |