The Cistercian monks of Austria are holy men who rise at 4:30 a.m., pray for more than four hours a day and have devoted their lives to God. They're also pop stars. This documentary offers a glimpse at the daily life of the joyous monks of Stift Heiligenkreuz Abbey whose recordings of their ethereal Gregorian chants have turned them into chart-topping music sensations.

• Perry Films Production
• HBO