Stir It Up

It''s a cliché that the world is shrinking. As Gene Santoro sees it in his second collection of essays, music is one arena where that cliché takes on a real, but paradoxical, life: while music crisscrosses the globe with ever greater speed, musicians seize what''s useful, and expand their idioms more rapidly. More and more since the 1960s, musicians, both in America and abroad, have shown an uncan...