The City of Boston’s Official Tree Lighting hosted by Mayor Thomas M. Menino, the Boston Parks and Recreation Department, title sponsor the Province of Nova Scotia, and media sponsors WCVB-TV Channel 5 and MAGIC 106.7 FM comes to Boston Common on Thursday, December 2, from 6 p.m. to 8 p.m. This will be the 69th annual Tree Lighting on Boston Common. Chronicle’s Anthony Everett and NewsCenter Five’s JC Monahan will host Channel 5’s live broadcast of the event beginning at 7 p.m. The celebration will feature the Radio City Rockettes, 2006 American Idol runner-up Katharine McPhee, Grammy-winning R&B singer Patti Austin and the Boston Pops Gospel Choir, among many others.