| Abbreviation | Definition |
|---|---|
| HTT | Hi Tech Tunes |
| HTTE | HTTE is an American Singer name Madi. Her stage name is HTTE. HTTE also stands for "Here Till The End". |
| HUJE | Howard University Jazz Ensemble |
| HUM | Healing Using Music |
| HUM | Hindi Urdu Music |
| HVGO | Happy Valley Guitar Orchestra |
| HVMT | Hemet Valley Music Teachers |
| HWIK | How Will I Know |
| HWM | Hot Water Music |
| HWYO | Harvard Westlake Youth Orchestra |
| HY | Hip Young - an upcoming actress/ musician from Nigeria |
| HYM | Harrow Young Musicians |
| HYMN | Hear Your Music Anywhere |
| HYS | Hawaii Youth Symphony |
| HzG | Herman ze German |
| IABW | Individual Alpha Band Width |
| IAEM | Internet Archive Of Electronic Music |
| IAMA | Intermountain Acoustic Music Association |
| IAMA | International Acoustic Music Awards |
| IAMA | International Adventist Musicians Association |