I am just now getting into the works of Steve Reich, the composer who has done much the last few decades to take music in new, interesting directions. One of the many admirers of his work is Stephen Sondheim and a little more than a year ago, the two men took the stage in New York for a joint conversation moderated by John Schaefer and a performance of many of their individual compositions. It runs a little more than two hours but they might just be two hours well spent…