Sound I for 4 Solo Voices was composed by Pelle Gudmundsen-Holmgreen in 2011. Dedicated to Theatre of Voices.
| Instrument (fx guitar, sang m.m.) | SATB |
| Genrer (Fx Pop, Rock, Børn m.m.) | Post-1900 |
| Type (fx Instrumentskole o.lign.) | Partitur |
| Niveau | Prof. |
| Sideantal | 12 |
| Media (fx Bog, CD, DVD m.m.) | 2 x Nodehæfter, Noder |
| Publisher/Producent | Edition Wilhelm Hansen |
| Bidragydere | Gudmundsen-Holmgreen, Pelle (Artist) |
| Sprog | Dansk, Engelsk |
| ISBN | 978-87-598-2415-3 |