U2 have announced online concert film series The Virtual World, that will be broadcast on the band’s YouTube channel. The series will showcase four of U2’s most legendary performances from over their four-decade career, kicking off on March 17 with the band’s 2001 concert at Slane Castle in County Meath. It will be the first time ever that three of the concerts have been made available digitally, and they will remain available to watch online for 48 hours after their broadcast.