If not, as it’s perennially voted, one of the 10 greatest films ever made, 1952’s Singin’ In The Rain is at the very least the sharpest Hollywood musical bar none. Fifty years on, it’s still as gooey a plot as they come but with a lethal dose of feel-good factor as sumptuous as its kaleidoscopic colours and Gene Kelly’s ingenious choreography, who’s complaining?