Last night, Preservation Hall Jazz Band and Grandmaster Flash both opened for Arcade Fire at New York’s famed Madison Square Garden. Arcade Fire’s stage setup resembled a boxing ring and was setup in the middle of the Garden’s floor. During the indie-icon’s encore, the members of Preservation Hall paraded onto the area floor and into the boxing ring during the “Continued” section of title-track of Arcade Fire’s new album, Everything Now. They remained onstage to help Arcade Fire close the show with their anthem, “Wake Up.”

Then, the members of Arcade Fire second-lined into Penn Station under the Garden and played a pop-up show for fans on the A/C Subway platform. Arcade Fire’s Will Butler also made his way downtown for a benefit show at the world-music venue Nublu.

On Sunday, Arcade Fire principals’ Win Butler and Régine Chassagne also played a short set at New York’s SoHo grand to benefit BandKANPE.

Preservation Hall Jazz Band backed the couple for most of their set, including “Haiti,” “Everything Now” and “Iko Iko.” Arcade Fire will perform at Boston’s TD Bank on Friday.