Chord (music) - Wikipedia
Por um escritor misterioso
Descrição
Modulation (music) - Wikipedia
Altered Chord, PDF, Chord (Music)
Approach chord - Wikipedia
Ninth Chord - Wikipedia, PDF, Chord (Music)
Three-chord song - Wikiwand
Fifth (chord) - Wikipedia
File:Minor eleventh chord Herbie Hancock Maiden Voyage.png - Wikipedia
Sixteen-bar blues - Wikipedia
Common chord (music) - Wikipedia
Rhythm Changes - Wikipedia, PDF, Musicology
File:Thirteenth chord C13sus.png - Wikipedia