Florence and the Machine had the perfect Halloween-themed performance for their visit to SiriusXM. Backed by a stunning harp, Florence Welch delivered a mashup of 2015’s “Which Witch” and Lady Gaga ‘s Mayhem favorite “Abracadabra.”

Welch opened with her heresy-referencing How Big, How Blue, How Beautiful song, followed by an evocative fiddle-flute transition into the Gaga track. The band concluded the performance by returning to “Which Witch.”

The timing of the cover couldn’t have been more kismet. During her Mayhem Ball Tour stop in Barcelona Wednesday night, Lady Gaga snuck in “Hey Girl,” her duet with Welch from 2016’s Joanne . It was Gaga’s first time performing the song live.

In an interview last month, Welch spoke about her love for Gaga’s early music. “In 2009, I w

See Full Page