am 4bec70f0: am 5d52037f: am fb845761: am 7733e474: am e2247907: am a4163a07: am b8c7cf77: am bba8cbda: Merge "Add tests for midi playback" into jb-dev automerge: 869d252 automerge: 1a174fc automerge: 877f741 automerge: 7831295

* commit '4bec70f0da9ebfab34ea0e61059bea7ceb2cc0b7':