Wagner's operatic tetralogy is one of the most powerful experiences in the music world. Now filmmaker Jon Else's acclaimed documentary offers a unique look at the "Ring Cycle"─as seen through the eyes of the stagehands and behind-the-scenes workers at the San Francisco Opera's production. If you thought what the audience saw was dramatic and over the top, think again. 56 min. Standard; Soundtrack: English Dolby Digital stereo; biography.