"When the Swedish concert singer Jenny Lind toured the U.S. in 1850, she became the prototype for the modern pop star. Meanwhile, her manager, P.T. Barnum, became the prototype for another figure of enduring significance: the pop culture impresario. Starting with Lind's fabled U.S. tour and winding all the way into the twenty-first century, Live Music in America surveys the ongoing impact and changing conditions of live music performance in the U.S....