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Last week in Lithuania, Steven Tyler met some street performers on the street in capital city Vilnius and joined the duo for a performance of Aerosmith’s 1993 hit “Crazy.” When he posted online that he was going to invite them on stage that night during the band’s show at the Siemens Arena, he was true to his word.

Check out the video below of Aerosmith performing “Crazy” with the violin and accordion players Tyler met on the street.

And here is the street version: