Steel Blue was a New York based band who used their own tuning system derived from just intonation and based on the harmonic series of undertones and overtones up to a 13-limit. Their self-titled album was released in 1993. Jon Catler - Just Intonation and Fretless Guitars, Vocals Hansford Rowe - Just Intonation and Fretless Basses, Vocals Jose Joaquin Garcia - Vocals Lionel Cordew - Drums, Vocals With: Elizabeth Pressman - Vocals Michael Rosenman - Keyboards
