The Steepwater Band Chicago rock radio station WLUP to open for Bon Jovi at the sold-out United Center. In 2006 the band performed at various festivals and concerts with Umphrey's McGee, Yonder Mountain String Band, Keller Williams, the Doobie Brothers, Ian Gillan (Deep Purple's vocalist), and Cheap Trick. The band's third full-length album, "Revelation Sunday", was released on August 15, 2006 with a release concert held on August 11, 2006, at Chicago's Metro music venue. In September, the band headlined three concerts, with The Soulbreaker Company as the opening act, in Madrid, Bilbao, and Barcelona, Spain. Rick Richards, guitarist of The Georgia Satellites,
Kings of Leon release. In 2008, Kings of Leon headlined the Glastonbury Music Festival, and in 2009, the band headlined a number of music festivals, including Reading & Leeds, Rock Werchter, Oxegen, T in the Park, Gurtenfestival and Open'er Festival in Poland, Europe, along with Sasquatch, Lollapalooza, and Austin City Limits in the United States. The band released its first DVD, "Live at the O2 London, England", on November 10, 2009. It was later released on Blu-ray Disc on November 24, 2009. The footage was filmed in London's O2 Arena on June 30, 2009, when the band performed a 22-song set in front