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,
The O2 was necessary due to the contaminated soils from the industrial works which existed at the site before the dome. Catalytic converters were also installed within the dome to prevent toxic gases due to the dome structure being left in place. The plant cylinders, containing services equipment, and some piles used for the original dome, were reused. Financial consulting was provided by WT Partnership and EC Harris. The Waterfront partnership provided legal support for the development and continues to do so for The O2. Kerzner International helped with the development of the entertainment venues. Anschutz planned to build a 'super casino'