สร้างเมโลดี้บน Cmaj7 - Dm7 - Em7 - Fmaj7

Every chord is a diatonic seventh and the bass walks up C-D-E-F. There is almost no tension and release in the harmony, so the melody has to supply the motion. Hold notes that act as 9ths or 13ths and you hear the chord colour shift underneath.

This explanation is only available in English for now.