Most Appearances (Performer)
| Name | Role(s) | # |
|---|---|---|
| 554. Hana Elion | Guitar, Vocals | 1 |
| 554. Hania Rani | Synth, Upright Piano, Vocals | 1 |
| 554. Hannah Jacobs | Keys, Vocals | 1 |
| 554. Hannah Juliano | Vocalist | 1 |
| 554. Hannah McKittrick | Vocals | 1 |
| 554. Hannah Straney | Background Vocals | 1 |
| 554. Hannah Yim | Violin | 1 |
| 554. Hanson | Featured Artist | 1 |
| 554. Hanson Holiday | Featured Artist | 1 |
| 554. Happy McPartlin | Vocals | 1 |
| 554. Happyness | Featured Artist | 1 |
| 554. Harmony Bartz | Vocals | 1 |
| 554. Harold LoĢpez-Nussa Trio | Featured Artist | 1 |
| 554. Harris Paseltiner | Musician | 1 |
| 554. Harrison Hawkins | Keys, Music Director | 1 |
| 554. Harrison Moore-Kondo | Guitar, Steel Guitar | 1 |
| 554. Harrison Whitford | Guitar | 1 |
| 554. Harry Deacon | Background Vocals, Bass, Glockenspiel, Keys | 1 |
| 554. Harry Stinson | Drums, Vocals | 1 |
| 554. Harry Styles | Guitar, Vocals | 1 |
| 554. Hart Seely | Bass, Vocals | 1 |
| 554. Harumi Rhodes | Violin | 1 |
| 554. Harv | Bass | 1 |
| 554. Hauschka | Piano | 1 |
| 554. Hayden Pedigo | Featured Artist | 1 |