1. Esperanza Spalding, the virtuoso singing bassist and surprise Best New Artist at the 2011 Grammys, has founded a sort of club. Its mission is to investigate the many mysteries of the “pop song,” with jazz musicians, cheerful vocals and scare quotes. The result is Radio Music Society, out March 20.
Stream Radio Music Society now.

    Esperanza Spalding, the virtuoso singing bassist and surprise Best New Artist at the 2011 Grammys, has founded a sort of club. Its mission is to investigate the many mysteries of the “pop song,” with jazz musicians, cheerful vocals and scare quotes. The result is Radio Music Society, out March 20.

    Stream Radio Music Society now.