Pure tuning is a tuning method not based on compromises in the intervals between the tones. In order to play a keyboard instrument with pure tuning, the Norwegian musicologist and composer Eivind Groven developed an automatic switching system, which served as the basis for many instruments that were built for him. The system still exists at the Groven Institute for Pure Tuning at Ekeberg in Oslo.
The system has been modernized by NOTAM in collaboration with musicologist David Loberg Code. NOTAM...
Notam's users are students, musicians, artists, composers, dancers, sound technicians, film workers, and others who find the combination music, art and technology interesting.
