Why Abba’s Dancing Queen is the best pop song ever

Since its 1976 release, Abba’s ‘absolute best song’ (according to Frida Lyngstad) has won over everyone from punks to royalty and almost caused a riot in New York. So how has the song’s low-lit Friday night managed to last for ever?
Roll your hands down a piano, from the high notes to the low, and you’ve mastered the intro to the most perfect pop song ever written. Feel free to congratulate yourself, although don’t get carried away – you’ve still g