Hi Hugh,
I am working with:
MacBook Pro OS X Yosemite Version 10.10.3
Sibelius 7.1.3 (not 7.5)
Virtual Drumline 2.5.5
Kontakt Player 5.5.0.409
Sibelius VDL Template 7.0a (The Write Score)
I once had VDL working perfectly fine into my computer with your help, but then my computer died and I needed a new logic board and it was completely reset. I had to reinstall Sibelius, Kontakt, VDL, and TWS. I followed all of the documentation like last time and everything appears to be set up correctly. However, none of the VDL soundsets playback when I press play. The trigger tests don't work; my MIDI keyboard does not playback; there is no sound when I press the trigger test button on the mixer in Sibelius. The playback configuration is the one I created and everything seems to be fine but there is no sound. I've attached screen shots that might help.
Any ideas on what I can do? The Sib 7 sounds still work perfectly fine.
Thank you,
Tom