‘First rule of musicals, do not sing along:’ As a Mamma Mia show descended into acrimony, Chris Wasser’s guide to theatre etiquette – The Irish Independent January 30, 2026 by live-feeds ‘First rule of musicals, do not sing along:’ As a Mamma Mia show descended into acrimony, Chris Wasser’s guide to theatre etiquette The Irish Independent Source link Share this: Share on Facebook (Opens in new window) Facebook Share on X (Opens in new window) X Related Related posts: Television reviews: Oliver Callan set out to kick the year. Unfortunately for viewers, he missed Christina Hendricks on working with Chris O’Dowd, Irish accents and the legacy of Mad Men ‘I was a model, I know how it feels to be on a set and be vulnerable’ – Sadie Frost on life in the public eye, starting out and her new documentary Mariella Frostrup: ‘I did a charity trek and Jason was on it. He kept in touch and met for a drink. Three months later we were engaged’