Troubleshooting MIDI playback

you may run into a situation where a track … that was previously working fine will no longer playback. … This is usually caused by some change … is either forgotten about or no longer undo able. … Fortunately, the solution is usually simple. … In this session, I've added some horn parts. … For the main part I've used an … I've also used a MIDI track with an alternate performance … to trigger another instance of expand to, … which I have on the trumpet aux input track. … In the process, I have created some … Now, it was after deleting the … And because deleting tracks is not undo able in Pro Tools, … to work backwards and fix the problem. … But you can easily fix this … type of problem if you know where to look. … to view the plugins and the track routing. … this one here, I have an expand to plug in. … And if we examine the plugin, … to verify that the plugin itself is configured correctly. … Now the trumpet aux input track, here, … And this also appears to be correct … with the hard trumpets preset. …