Last night, indie rockers Metric took the stage at New York City's Radio City Music Hall, where frontwoman Emily Haines got a little help with backup vocals from surprise guest Lou Reed. The onetime Velvet Underground frontman joined Metric on "The Wanderlust," the reprising their collaboration from the Toronto band's latest album, Synthetica. You can check out a fan-shot clip of the performance above, and you can also see the ever-stoic Reed – clad in a leather jacket, of course – stick around for a performance of the Velvet Underground's "Pale Blue Eyes."