Hulton Archive / Getty Images 'Happiness Is a Warm Gun,' The Beatles From 1968's 'The Beatles' (The White Album) The Beatles' 'Happiness Is A Warm Gun' kills me because it is a brilliant stringing of a few unfinished melody ideas fusing phases of rock 'n' roll up to that point in 1968 -- including doo-wop, psychedelia and hard rock -- with ...