Common tone (scale) - Wikipedia
Chord Progressions - Common Tone Substitution | Guitar Lessons
common tone chords 4 dim 7 I CT V43 CT I6 Sheet music for Piano (Solo) | Musescore.com
Chord Progressions - Common Tone Substitution | Guitar Lessons
common tone chords 3 dim 7 V CT V7 Sheet music for Piano (Solo) | Musescore.com
Music Theory: Using Drones and Common Tones
Greg Howlett - Demystifying chord substitutions
File:Schubert - Op.163 (D.956), i common-tone modulation.png - Wikipedia
Common Tone Chord Progressions - YouTube
Common Tone Voice Leading — Hawkins Music
Common Tone Arts - Institute for Creativity
Common-Tone Diminished Seventh Chords | PDF | Chord (Music) | Melody
Common-Tone Modulation in "Summer of '69" by Bryan Adams - Girl in Blue Music
A Survey of Music Theory for the College Classroom: Chromatic Harmony 2 and 20th Century Music | OERTX
Common Tones - Jazz Everyone
Music Theory: Using Drones and Common Tones
File:Common-tone diminished seventh chord in Tchaikovsky's Nutcracker Suite, op. 71a, III, Valse des Fleurs.png - Wikipedia
Common-Tone Modulation in "Summer of '69" by Bryan Adams - Girl in Blue Music
Intro to Common-Tone Diminished 7th Chords - YouTube
Aldwell-Schachter Chapter 31
Common tone (chord) - Wikipedia
Modulations Without Pivot Chords
