What's the difference between a social moment and a social movement? “It's the music!” says DC Labor Chorus Director Elise Bryant. The Chorus hosts its’ annual holiday concert tomorrow night at the ATU Tommy Douglas Conference Center. “In the midst of the crass commercialism of the holiday season, our purpose is to provide a musical sanctuary of song for those who fight the good fight for peace and justice every day,” says Bryant. “This one is for you!”