Jesse Colin Young, who sang one of the signature songs of the 1960s counterculture, the Youngbloods’ “Get Together,” before ...

Using MIDI over USB, it plays the I-V-vi-IV progression in any key. It plays in chord mode, arpeggiated mode, or mixed mode at any sensible tempo. You can check out a video of the 4chord playing ...

All the chords built on other notes in the scale of C are minor, except chord VII - the notes B – D – F, which is diminished. When a seventh is added to a chord this is known as a seventh chord.