Think you know everything about ABBA? A brand-new documentary, ABBA: 50 Years of Pop, is on Channel 4 tonight at 8.50pm, with famous industry figures diving into their songwriting and enduring influence.

Fans can also immerse themselves in the spectacular ABBA Voyage show, which uses cutting edge technology to allow digital ABBAtars to preform a full concert in a purpose-built arena. Our critic loved ABBA Voyage in his review (with a few minor gripes!)

And then, of course, the megamusical…