She's got to be seriously grooving to make her head and neck to do that ... not easy to do without being into the music. Definitely compelling - and I'm a "she"! (IOW, I wanna know how to do that!)
I wanna know how to do that! Wifey informs me that those moves are described in The Feminine Mystique Manual, Chapter Four ("Those Little Moves That Men Find Irresistable").
Maybe Cosmo will do a piece on it. <|:)~