This holy grail for both documentary and theatre aficionados offers a tantalizingly rare glimpse behind the Broadway curtain. In 1970, right after the triumphant premiere of the ground-breaking concept musical Company by Stephen Sondheim (West Side Story), the renowned composer, his director Harold Prince, the show's stars, and a large pit orchestra all went into a Manhattan recording studio as part of a time-honoured Broadway tradition: the recording of the original cast album. What ensued was a marathon session in which, with the pressures of posterity and the coolly exacting Sondheim's perfectionism hanging over them, all involved pushed themselves to the limit-including theatre legendElaine Stritch (30 Rock), who fought anxiety and exhaustion to record her iconic rendition of The Ladies Who Lunch. With thrilling immediacy, legendary filmmaker D. A. Pennebaker (Dont Look Back) offers an up-close view of the larger-than-life personalities, frayed-nerve energy, and explosive creativ