The City of Gainesville Parks, Recreation and Cultural Affairs Department hosts Downtown Countdown, a free outdoor New Year’s Eve celebration concert, in downtown Gainesville Saturday, Dec. 31 at 9 p.m. at Bo Diddley Plaza. Headlining the concert are The Couch Messiahs, who will play tribute to the music of numerous rock ‘n’ roll all-star bands including The Allman Brothers, The Band, Bob Dylan, Creedence Clearwater Revival, Neil Young and The Rolling Stones.