Lorenz Hart singlehandedly changed the craft of lyric writing. When Larry Hart first met Dick Rodgers in 1919, the commercial song lyric consisted of tired cliches and cloying Victorian sentimentality. Hart changed all that, always avoiding the obvious, aiming for the unexpected phrase that would twang the nerve or touch the heart. Endowed with both a buoyant wit and a tender, almost raw sincerity, Hart brought a poetic complexity to his art, capturing...