The presence of a well-crafted and performed chord progression can often ... Chords I, IV & V are all major, whereas chords II, III and VI are minor. Chord VII is diminished, so we don’t tend ...

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 ...

Each key has its own set of seven chords that belong ... completely diatonic progression in C major: C – G – Em – Am – F – G – C. (I – V – iii – vi – IV – V – I).