The presence of a well-crafted and performed chord progression ... that any form of harmonic progression can offer something ...

We’ve loaded up a basic electric piano ... smoother chord transition. What’s more, you’ll see the lowest note now moves downwards as the chords play, creating a more flowing progression.

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 ...