Every year I point out that several companies provide Christmas programming for commercial radio stations. It is possible that the local station in Boston is airing the exact programming as a station in Los Angeles. The only difference will be "break ins" with local commercials and season greetings by local personalities, etc.
One such company called Custom Channels also helps with radio station holiday web page design. Here is Custom Channels' 2010 Holiday Music Channel Station Checklist
Note the sentence, "Many stations want to start on Friday, November 19." Could be your local station!
Also, here's a look Custom Channels' Christmas pages. -
Don't miss the quick links on the right to hear demos
and see sample playlists
! You'll get an idea of the cost involved with going all Christmas too.