(talk) 03:10, 20 May 2011 (UTC) using Sibelius 5. See: Image:Circle_progression_I_IV_V_I.png Hyacinth at the English-language Wikipedia, the copyright...
Pythagorean tuning I IV V I.mid, File:Circle progression quarter-comma meantone I IV V I.mid, File:Circle progression Werckmeister temperament I IV V I.mid...
