”What’s Taylor Swift’s ‘Billie Jean’?” Neil Tennant isn’t particularly enchanted by Taylor Swift’s music. In a Guardian Live event Monday, the Pet Shop Boys singer offered his two cents on Swift’s global superstardom and latest album, The Tortured Poets Department. “Of course, I have listened to Taylor Swift’s album,” Tennant said after the Guardian’s Alexis Petridis noted that TTPD has …