"Words have appeared in visual art since classical times, but until the modern era their use was generally restricted to a few specific functions. In the early twentieth century, the Cubists Braque and Picasso began using words in their paintings and collages in entirely new ways, and their...

"Irving Berlin, Cole Porter, and other songwriters of the Golden Era wrote popular songs that treated common topics clearly and simply. During the mid-1960s Bob Dylan, John Lennon, and Paul McCartney created a new kind of popular music that was personal and often obscure. This shift, which...

"The back story of twentieth-century art concerns the changing intellectual, economic, and technological setting that would cause the art of the past century to be fundamentally different from that of all earlier times. The single most important change involved the structure of the market for...