am 4cd3894f: am 869d2524: am 7733e474: am e2247907: am a4163a07: am b8c7cf77: am bba8cbda: Merge "Add tests for midi playback" into jb-dev

* commit '4cd3894f01fba8675ebdf07bfd910cc5e0fff407':
  Add tests for midi playback