Fremont Street Experience Rock of Vegas concert series announces lineup for the summer that will turn the legendary downtown venue into summer’s alternative destination. Celebrating its seventh anniversary, the free concerts have become one of the most popular summertime events in Las Vegas. The free concert series in Downtown Las Vegas will kick off Memorial Day Weekend with KC and The Sunshine Band, and runs through Labor Day Weekend with performances by Kansas and Blue Oyster Cult. Rock of Vegas Summer Concert Series at Fremont Street Experience headliner concerts: May 23 – KC and The Sunshine Band – 3rd Street…