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U2 Tours (formerly part of AtU2): A Comprehensive Guide To U2’s Live Performance History
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U2 Concerts with Opening Act: Sidewinder

Sidewinder has opened at 4 U2 concerts.

Sidewinder Website

Australian rock band from Canberra consisting of brothers Nick and Martin Craft. They opened for U2 during the PopMart Tour and their second album "Tangerine" received major airplay on Australian radio.