Thursday, August 1, 7:30pm and Friday, August 2, 7:30pm at Cannonsburg Ski Area—ABBA fans, get ready! Swedish band, Waterloo, salutes the music of the ‘70s Pop sensation in an ultimate tribute. Enjoy memorable tunes from ABBA’s extensive catalog including Dancing Queen, Take a Chance on Me and Mamma Mia, all enhanced by the sound of your Grand Rapids Symphony. Dance floors will be set up throughout Cannonsburg so you can show off your best moves! Gates open at 5:30pm for picnicking, kids activities and pre-concert entertainment. Bring your own picnic and beverages or purchase concessions at Cannonsburg. Alcoholic beverages permitted. Tickets start at $24, less for kids and seniors. $3 more day of show.