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Bono's hand may be injured but it looks like he still knows how to rock -- even in the most unlikely of venues!

Before their scheduled performance on this Friday's Tonight Show with Jimmy Fallon, Bono, The Edge and the rest of the boys in U2 popped up at NYC's Grand Central subway station and performed an impromptu session of "Angel of Harlem." More like Angels of Manhattan!

In the video, showing the U2 frontman, clad in a oversized jacket and bright blue cowboy hat, at the microphone and singing the band's beloved 1988 classic as the eager crowd cheers on the band.

Last month, the Irish rocker told The New York Times that a hand injury from a bike crash prevented him from playing the guitar. The superstar had surgery following the accident but still didn't know if he has permanent damage to his hand.

"It feels like I have somebody else's hand," Bono told NYT, refering to his fourth and fifth finger. "I can't bend these, and this is like rigor mortis. But they say that nerves heal about a millimeter a week, so in about 13 months I should know if it's coming back."

Despite the significant setback to the band, Bono and the gang will set off on their 20-city Innocence + Experience tour in Vancouver on May 14.