Secret Chiefs 3 is a Trey Spruance project that worked with other MR BUNGLE members Danny Heifetz and Trevor Dunn just to name a few. With Book Of Horizons SC3 revealed the 7 satellite bands, each representing different aspect of Spruance’s musical & philosophical interests : The Electromagnetic Azoth, UR, Ishraqiyun, Traditionalists, Holy Vehm, FORMS, and NT Fan.