For both of your projects, tried output to Virtual Midi Out 7 and MIDI Monitor to Virtual Midi In 7 to observe output. With, or without Track Controller setting, it transmits all Program Changes just fine, no matter which Song is selected in which order. In fact, without Track Controllers enabled, it sends the Program Changes twice, which appears to be a bug (it locates twice when a Part is selected, and Chase Events chases twice, provided “Chase on Start” is disabled). But that should not caus…