|1||Volf Acustic Record 512C A||5:00|
|2||Volf Acustic Record 512C B||3:06|
|3||Volf Acustic Record 300-1600 HZ||4:52|
|4||Volf Acustic Record 1000-3000 HZ||4:44|
- Composed By – Christian A. Volf
The pieces were recorded on shellac 78 RPM records in 1936/1937.
The pieces are from a series of records, known as 'Volf Acustic Records' each containg sound within a specific frequency range.
The records was used in sound-therapy, according to the 'VOLFAIR'-method.
The Volf Acustic Records are possibly the first known recordings of 'electronic music' released on record.