Returning to Wolf Trap after a sold out performance in 2019, Sweden’s ABBA The Concert continues to be the top ABBA tribute group in the world, dazzling audiences with fantastic performances of ABBA’s iconic hits including “Mamma Mia,” “S.O.S,” “Money, Money, Money,” “The Winner Takes It All,” “Waterloo,” “Gimme, Gimme, Gimme,” and “Dancing Queen.”