Viewers tuned out a pair of Thursday-night music specials.

“Taylor Swift: Speak Now,” averaged only 4.5 million viewers on NBC (8-9 p.m.) and was beaten by CBS sitcom repeats and “A Charlie Brown Thanksgiving” on ABC.

“Beyonce: I Am . . . World,” pulled in only 4.1 million viewers on ABC (9:30-11 p.m.)