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Smooth Breakfast with Gary King 6am - 10am
11 April 2018, 14:59 | Updated: 13 June 2018, 14:06
Pretty much everyone and their dog loves ABBA.
We all know the words to 'Dancing Queen' and can't wait to get down to the cinema to watch Mamma Mia 2.
But how much geeky trivia do you know about Sweden's biggest pop export?
Find out if you're a Super Trouper or if you need an SOS with our tricky ABBA quiz below: