When the melody touches your heart emotionally and the words hit your brain intellectually, more than likely you'll find you'll have an excellent song to sing.
Yip HarburgIra [Gershwin] was the shyest, most diffident boy we had ever known. In a class of lower east side rapscallions, his soft-spoken gentleness and low-keyed personality made him a lovable incongruity. He spoke in murmurs, hiding behind a pair of steel-rimmed glasses..Ira had a kid brother who wore high stiff collars, shirts with cuffs and went out with girls.
Yip Harburg