Modulations from C major to C sharp major in natural temperatures (just intonation) end at almost the same pitch although there should be a half-tone difference.
A thirteenth chord "collapsed" into one octave results in a dissonant, seemingly secundal[1] tone cluster. Created by Hyacinth (talk) 22:18, 5 July 2009 using Sibelius 5.
CM13, first inversion = e13(♭9), 2nd inversion = G13... Eventually seven chords along a ladder of thirds. Created by Hyacinth (talk) 14:13, 31 March 2010 using Sibelius 5.
Harmonic seventh chord on C. Equal tempered major chord with quarter tone flat minor seventh (950 cents). Created by Hyacinth (talk) 18:56, 10 November 2011 with Sibelius 5.