DeeJay St.Joel and The Mystic Dancers will take the Promenade Stage Friday night and Boogie Wonderland will get the crowd on their feet Saturday night. Stage games, live entertainment and the chance to capture the weekend at the photo station will fill the weekend with fun. The winning disco diva or cool cat will receive $200 Free Slot Play. The fun continues Saturday night when polyester, platform shoes and disco music are all the rage for a Disco Costume and Dance Contest. Daddy O’s is open Friday and Saturday night from 7 p.m. Partygoers won’t want to miss Daddy O’s Disco Lounge with a full bar, live blackjack, lounge seating and a happening dance floor. PRIOR LAKE – MA– The Seventies are making a comeback at Mystic Lake with a weekend of disco, live entertainment and a hip lounge for drinks, dancing and more disco.