We are proud to add CeeLo Green, hip-hop solo star, five-time Grammy Award winner and half of the Gnarls Barkley duo well known for "Crazy"; country crooner Jamey Johnson, who won the CMA Song of the Year for "In Color"; and bluesy pedal steel guitar virtuoso Robert Randolph & the Family Band, who first wowed local crowds when they opened for Eric Clapton at Verizon Arena. Half-price passes ($20) go on sale April 1 at Walgreens nationwide; $35 passes and VIP packages also available now
