(talk) 04:08, 1 May 2010 using Sibelius 5. See: File:Incomplete_dominant_seventh_chord_in_C_major.mid Hyacinth at the English-language Wikipedia, the copyright...
(talk) 04:23, 1 May 2010 using Sibelius 5. See: Image:Incomplete dominant seventh chord_in_C_major.png Hyacinth at the English-language Wikipedia, the copyright...