Sound I for 4 Solo Voices was composed by Pelle Gudmundsen-Holmgreen in 2011. Dedicated to Theatre of Voices.
| Instrument | SATB |
| Genre (Fx Pop, Rock, Barn m.m.) | Post-1900 |
| Typ (fx Lärobok, samling m.m.) | Partitur |
| Niveau | Prof. |
| Sidor | 12 |
| Media | 2 x Sheet Music, Noter |
| Publisher/Producent | Edition Wilhelm Hansen |
| Bidragsgivare | Gudmundsen-Holmgreen, Pelle (Artist) |
| Språk | Danska, Engelska |
| ISBN | 978-87-598-2415-3 |