Perhaps smart list with channels, but I haven't been able to get it to work yet. Was hoping someone had already done this.
There are times that require the United Space Ship Enterprise manoeuvre:
"... to explore strange new worlds; to seek out new life and new civilizations; to boldly go where no man has gone before ..."
Firstly, head to the Wiki and read up about Zones / Zone Switch.
Then think about the Zone prioritisation that makes sense for your system because Zone switch starts at the top and moves down the list until the relevant logic is satisfied.
From what I can gather, when you set up a Zone switch rule you should call up [TV Channel Number] within the rule Wizard and select the channels that you want to go to send off for music playback.
Let us know how you go and what would be great is if you could take some image snaps, post them up and that way the next guy can benefit from your detective work..