I want another slice of rhubarb tart. I want another lovely slice. I’m not disparaging the blueberry pie But rhubarb tart is oh so very nice. A rhubarb what? A rhubarb tart! A rhubarb tart? A rhubarb tart! I want another slice of rhubarb tart! So begins John Cleese’s Rhubarb Tart Song set to John