From the Guardian
50 years of Joseph and the Amazing Technicolor Dreamcoat-Gareth Feb 2009
https://www.theguardian.com/stage/gallery/2019/mar/02/50-years-of-joseph-and-the-amazing-technicolor-dreamcoat-in-pictures
Had no idea some of them were Joseph i.e. David Cassidy, Paul Jones and Andy Gibb.