Mamma Mia! is a bit like karaoke ... There are some whizz-bang song-and-dance routines, but their magic is offset by an aesthetic that transforms the stage into a flamboyant, contemporary beach ...

For the price of a ticket to ‘Mamma Mia! The Party’, an immersive Abba-themed dinner experience set in a ropey taverna on an idyllic Greek island, you could fly out to an actual idyllic Greek ...