C major and E minor contrast through their respective notes C and B (in red and orange), each a half step apart or leading tones. The chords share two notes (in blue) however.
Beta scale dominant seventh chord on C. Created by Hyacinth (talk) 07:35, 12 April 2011 (UTC) using Sibelius 5 with midi pitch bend. Pitch bend appears to match intervals.
Complexe sonore: the octatonic scale may be arranged as four major chords or seventh chords. Created by Hyacinth (talk) 13:49, 13 June 2010 using Sibelius 5.
Bridge chord, named after en:Frank Bridge. Major chord with a minor chord a semitone above. Chord pictured followed by arpeggio with Db minor at the octave.