In Venice Beach, naive Midwesterner JB bonds with local slacker KG and they form the rock band Tenacious D. Setting out to become the world's greatest band is no easy feat, so they set out to steal what could be the answer to their prayers... a magical guitar pick housed in a rock-and-roll museum some 300 miles away.

The film discusses the traits and originators of some of metal's many subgenres, including the New Wave of British Heavy Metal, power metal, Nu metal, glam metal, thrash metal, black metal, and death metal. Dunn uses a family-tree-type flowchart to document some of the most popular metal subgenres. The film also explores various aspects of heavy metal culture.

Captured live in front of a sold-out London crowd Ronnie James Dio delivers a truly memorable performance on this truly memorable night - October 22, 2005. This set includes a performance of Dio's debut album, Holy Diver, in its entirety. Dio has been hailed as one of the finest voices in Heavy Metal for over 30 years now and for good reason.

This live concert recording captures the sold-out Radio City Music Hall performance of former Black Sabbath rockers Ronnie James Dio, Vinny Appice, Tony Iommi and Geezer Butler, who reunited under the name "Heaven & Hell" in 2006.

On a rain-soaked Friday the 13th in December of 2002, the mastery of DIO took full command of New York City's famous Roseland Ballroom. In grand fashion, the formidable quintet was unleashed upon a rabid sold-out crowd, delivering a memorable performance that was nothing less than a heavy metal history lesson.

Heavy metal band Iron Maiden's 2008 Somewhere Back in Time World Tour. This concert recording accompanies the documentary film "Iron Maiden: Flight 666". The 16 songs performed were filmed live in 16 different cities giving you the full experience of the live power of Maiden and their fans all around the globe.

Live at Wacken Open Air July 30 2009.

This career spanning documentary on heavy metal legend Ronnie James Dio delves deep into his incredible rise from 50's doo-wop crooner, to his early classic rock days in Ritchie Blackmore's Rainbow, to replacing the iconic lead singer Ozzy Osborne in Black Sabbath, to finally cement his legend with DIO. Ronnie's biography is completely unique to the tired sex, drugs and rock and roll cliches. The film is about perseverance, dreams and the power to believe in yourself.

Using rare previously unreleased film of the original Ozzy Osbourne line-up from 1971 never before available on DVD, this superb independent film sets out to discover what makes a great band and poses the tricky question: who was the best Sabbath singer Ozzy, Dio or Martin? Also featured are extensive interviews with Tony Iommi, Neil Murray alongside leading music critics and working musicians.

RONNIE JAMES DIO recorded live with his band at the Tokyo Japan Super Rock Festival on August 10th, 1985.