Paul Cardall - God Be With You Till We Meet Again

Nek-ry B. are supplied with add. a number of buttons that allow you to extract reduced seventh chords. In each transverse row there are buttons giving the main. tone, major third from it, major and minor triads built on it and dominant Septaccord. Sounds and harmonies, extracted by the corresponding buttons of adjacent rows, are in a quarto-quintal relation. For highly qualified musicians, the so-called ready-made B. , on the elective keyboard of which each sound is extracted using a special button.