Speaking of “Abracadabra,” Lady Gaga may have pulled off the ultimate “Saturday Night Live” magic trick during her two musical numbers in this week’s episode: dancing furiously and singing live. That combination is not for every “SNL” musical guest,

She dances on the line between clever self-referentiality and less inspired rehashing on her new LP, committing to the over-the-top excess that first made her a star.

The singer made the ill-fated sequel the butt of her jokes after the film royally bombed among critics and at the box office.