This applies to DRUM FILLS and DRUM TRANSITION Files only:
In BB MGR I can rt clik on EDIT an see/hear the MIDI in BBMgr but when I use the EXPORT MIDI file and try to import the file into Pro Tools nothing happens as if the file is empty. Groove Files (MAIN DRUM LOOP) export and import just fine. Same problem when tring to p[lay the MIDI file with another 3rd party app.
The solution is to quit the BBM and copy the MIDI file you need from the respective midi_sources genre folder:
If your bbworkspace/default_lib/midi_sources folder does not have any content, I recommend you download and either replace it with [Download default BBWorkspace 2.1 backup folder] (https://mybeatbuddy.s3.amazonaws.com/BBWorkspace_default_content_backup-v2.1.zip) Make sure you backup or save and sync your project from your BBM to your SD card.
An alternative is to download the MIDI Loops Content file from MIDI Loop Library and use it outside of the bbworkspace but I think the first solution I offered is the best one.