so people which music channel will be the first to start playing xmas music this year .

Your best bet is to keep an eye on the channels and watch to see.

Bliss used to play Blissmas in mid-November but does that channel even exist any more? I don't get the MTV channels so I've only got the FTA ones to keep an eye on, but that's good enough for me Best time to start keeping an eye on the channels for Christmas songs is early-mid November. That's generally the time they start.