Tickets for Sir Elton John’s concert in Des Moines go on sale Friday, but lucky radio listeners could score tickets one day earlier.On Thursday, MORE 104.1 listeners can enter a sweepstakes or take an Elton John lyric quiz to win tickets to Elton John's Farewell Yellow Brick Road tour.The radio station will play wall-to-wall Elton John music throughout the day, including songs from his classic albums and live cuts from his last Des Moines stop in 2010."We pulled live tracks from that concert and we'll hear them throughout the day saying, "Hello Des Moines!” MORE 104.1 programming director Mariah Houp said. “It's really cool."Elton John's Farewell Yellow Brick Road tour stops at Wells Fargo Arena on June 11.Tickets and VIP packages can be purchased at eltonjohn.com.