Most Appearances (Performer)
| Name | Role(s) | # |
|---|---|---|
| 544. Hiromi Uehara | Keys, Piano | 1 |
| 544. Hiroshisa Horie | Keyboards, Vocals | 1 |
| 544. Hiruy E. Tirfe (Sax) | Musician | 1 |
| 544. Hit La Rosa | Featured Artist | 1 |
| 544. Hobo Johnson and The Lovemakers | Featured Artist | 1 |
| 544. Hod David | Guitar | 1 |
| 544. Hokage Simon | Keys, Piano | 1 |
| 544. Holly Ann Butler | Vocals | 1 |
| 544. Holly Macve | Guitar, Piano, Vocals | 1 |
| 544. Holly Williams | Featured Artist | 1 |
| 544. Hollywood JB | Vocals | 1 |
| 544. Hombre Flores | Piano | 1 |
| 544. Homer Steinweiss | Drums | 1 |
| 544. Hop Along | Featured Artist | 1 |
| 544. Horace "King Hopeton" Campbell | Keys | 1 |
| 544. Horace Andy | Vocals | 1 |
| 544. Horacio Fumero | Upright Bass | 1 |
| 544. Horse Feathers | Featured Artist | 1 |
| 544. Hospital Ships | Featured Artist | 1 |
| 544. Hospitality | Featured Artist | 1 |
| 544. Hot Chip | Featured Artist | 1 |
| 544. Howard Jacobs | Background Vocals, Percussion, Wind Instruments | 1 |
| 544. Howard Wiley | EWI, Saxophone | 1 |
| 544. Hozier | Featured Artist | 1 |
| 544. Hrag Sanbalian | Keys, Musical Direction | 1 |