I have the same error with MM 4.1.4.1709 and a Denon 2112ci. It's like MM times out before the track plays, pops up the dialog, and then the track plays.

+1 on adding "Play To".

I use MM because it is an awesome control point, locally. Now that I've expanded my HT/AV setup, I'd love to use it as the control point for my new Denon receiver.

Again, I don't know why this works, but when I did this (as mentioned in the above post): "....I checked 'Remove images from tags if larger than:' and put in '1' KB. I also left 'Sync all Album Art to Track folders' and 'Copy Album Art to Track tags' unchecked.", my album art on the iPhone worked ...

For the life of me, I can't figure out how to set this up. I create my autoplaylists of identical files (mp3's previously converted from flac's) in the same sorted order and let it rip. I end up with about 10% of my tracks not in sync. And I sure don't know what the different options are for. I'm ...