From Rolling Stone:
Bono made a surprise appearance on Sunday night at Bemelmans Bar at the Carlyle Hotel in New York, where he joined singer Jim Caruso and pianist Billy Stritch onstage for a handful of standards, the Huffington Post reports.
“Bono walked in. It was impossible not to recognize the guy – the glasses alone gave him away!” Caruso recalled to the Post. “They were seated in the corner, where they rocked, bopped, swayed and snapped. He kept giving me the thumbs-up when he’d like a tune and singing along quietly.”
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