The Cure are one of the best bands when it comes to conveying emotion via instrumentation, and 'Endsong' is one the best songs they do it on.

In this case, the idea is to be able to create your own loops or chord progressions, although this knowledge is useful beyond this genre, too, of course. Apologies in advance for Example 1 ...

You might be surprised at how many pop songs are exactly the same ... Using MIDI over USB, it plays the I-V-vi-IV progression in any key. It plays in chord mode, arpeggiated mode, or mixed ...