There are hundreds of tribute bands performing the music of the Beatles, Rolling Stones, AC/DC, Led Zeppelin, U2, and other monsters of rock. But Crosby, Stills, Nash, & Young?

Next to none.A band dedicated to tributing CSNY is unheard of due to the difficulty in replicating the 3- and 4-part vocal harmonies that made the group international superstars.Marrakesh Express excels at reproducing CSNY's complex songs and cascading, layered harmonies.Saturday night, at Mauch Chunk Opera House, Marrakesh Express takes the audience back to the late 1960s with youthful musicians who bring an authentic hippie vibe and visual to the stage.CSNY was arguably the biggest band in the world after the demise of the Beatles, and is one of the most enduring and influential musical groups of all time. The band, born in the turbulent years of the late 1960s, released hit after hit that spoke directly for their generation.Marrakesh Express upholds the integrity of that music with their vivid and realistic performance of CSNY's most recognizable songs.Featuring four harmonizing vocalists backed by a top-flight band, they deliver a unique and energetic concert performing the classic CSNY hits, deep cuts, and fan favorites.The band has played to literally tens of thousands of appreciative fans, including headlining the Woodstock 40th Anniversary Tribute Concert.The Mauch Chunk Opera House is located at 14 West Broadway in Jim Thorpe.Doors open at 7:30 p.m. and the concert begins at 8:30 p.m. Saturday, August 13, 2011. To reserve tickets by phone, or for more information, call 570-325-0249. Tickets can also be conveniently purchased on-line at: mauchchunkoperahouse.com.Parking is recommended downtown at the Carbon County Municipal Lot behind the train station.