How Astrid Jorgensen turned a suburban pub choir into a worldwide musical phenomenon

A pub full of people blasting out a rendition of Toto’s Africa is bliss to Astrid Jorgensen but chew popcorn near her, or cough, or sniff, and rage boils inside her.

She knows it is odd to admit she hates sounds. After all, Astrid has made a living out of organised noise, creating the worldwide…