Book: Catherine Johnson Music and Lyrics: Benny Andersson and Björn Ulvaeus Director: Phyllida Lloyd It’s hard to believe Mamma Mia! first opened in London’s West End back in 1999. More than 70 million people around the world have now seen the musical, not to mention the two films, rumours of a third on the way … Continue reading Mamma Mia! – Lyceum Theatre, Sheffield