"This holy grail for both documentary and theater aficionados offers a tantalizingly rare glimpse behind the Broadway curtain. In 1970, right after the triumphant premiere of Stephen Sondheim's groundbreaking concept musical Company, the renowned composer and lyricist, his director Harold Price, the show's stars, and a large pit orchestra all went into a Manhattan recording studio as part of a time-honored Broadway tradition, the making of the original...