Glass on Glass: Philip Glass (left) and Ira Glass are second cousins. Pavel Antonov/St. Ann's Warehouse hide caption

itoggle caption Pavel Antonov/St. Ann's Warehouse

Brad Lubman, the Wordless Music Orchestra, and Signal Ensemble play live on May 20, 2011 at New York's Society for Ethical Culture. Richie Clarke/courtesy of the artists hide caption

itoggle caption Richie Clarke/courtesy of the artists