Choose Only one. Someone you have not seen, Dead or alive that you would have/would fork out the most money to have seen/see. Personally Karen Carpenter
David Bowie. I really enjoyed watching his Glatonbury set on the BBC. Regret never seeing him in the flesh.
I fortunately saw Bowie in 73. My first gig. My great regret was not seeing Debbie Harry obviously at the height of success with Blondie. If I did think I might have soiled my pants