Ok, geek time (and I include myself in that). There's an app that rectorates the machine that produced electronic sounds in the 1960s and early '70s. It's called the iVCS3 and is the EMS VCS3 emulator for the iPad.
I know, we seem (entirely by accident) to have scheduled two Morrissey pieces on the same day. But we do love these Morrissey the Music Hall Entertainer vintage-style posters by Standard Designs - and thought you might too.