DescriptionA12 triad on C.png English: 4:7:10 triad of A12 tuning. Date 27 November 2012, 08:38:33 Source Own work Author Hyacinth Other versions File:A12 4 7...
4:7:10 chord. Date 25 November 2010, 06:20 Source Own work Author Created by Hyacinth (talk) using Sibelius 5. Other versions File:A12 triad on C.png...
