Gershwin's melodic gift was phenomenal. His songs contain...

Gershwin's melodic gift was phenomenal. His songs contain the essence of New York in the 1920s and have deservedly become classics of their kind, part of the 20th-century folk-song tradition in the sense that they are popular music which has been spread by oral tradition (for many must have sung a Gershwin song without having any idea who wrote it).