Turkey Day Replay: How Early Is Too Early for Christmas Music?

From November 29, 2016: The seasonal music switch is officially flipped now to Christmas tunes, whether we like it or not. And since so many folks seem to be picking not at this post-Thanksgiving moment, we thought we'd figure out when exactly we think the carols and crooning about chestnuts should properly begin. Day after Thanksgiving? December 1? Two weeks before? Eve of?