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Alternate Tunings Reference

Face Tuning (C.G.D.G.A.D)

Michael Hedges tunes to an A minor 7 chord with a suspended 4th (ACGD) in Face Yourself, though it sounds more grounded in C (an incomplete C6add9?) or in G (G with a 4th and 2cnd). Whatever the key, it feels nice.
Alternate Tunings Information