That’s one way to resuscitate the buzz around your new Broadway musical.

Over the weekend in Portugal, U2 reportedly performed the first song from the superhero show “Spider-Man Turn Off the Dark,” the Bono/The Edge/Julie Taymor production that begins previews next month in New York. The first tune — featured recently on the morning talk-show circuit — is titled, “Boy Falls From the Sky.”

The long-hampered, mega-million-dollar production announced last month that it will begin previews Nov. 14 and open Dec. 21. After a much-publicized casting call, Reeve Carney was cast as Peter Parker.