[Photo by: Herring & Herring]

Metallica's Lars Ulrich is digging deep into the band's punk and thrash origins in a new interview clip from the upcoming documentary The Rise Of LA Thrash Metal. Watch Ulrich elucidate Metallica's genre roots below.

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The Rise Of LA Thrash Metal (Part One), directed by Bob Nalbandian and narrated by Megadeth bassist Dave Ellefson, comes out Jan. 19 on DVD and streaming services. The doc from MetalRock Films (who furnished preceding entries The Pioneers Of LA Hard Rock & Metal and The LA Metal Scene Explodes) takes a look at Los Angeles' thrash-metal uprising of the 1980s, and it features accounts from associates of bands like Anthrax, Slayer, Suicidal Tendencies, Testament and more.

Thanks to an exclusive preview unveiled on Wednesday at Billboard, we can now get an early look at some of Ulrich's insight in the flick. According to filmmaker Nalbandian, the clip shows the Metallica drummer discussing how "punk rock and metal fans began to unite together at the early/mid-'80s thrash metal shows. Prior to thrash metal, punk and metal fans were outright adversaries in Los Angeles, but the early thrash metal shows brought the two forces together to rebel against the popular glam-rock movement."

Check out the official DVD trailer for The Rise Of LA Thrash Metal here, and head to Amazon to place a pre-order for the film right here. You can also check out more information on MetalRock Films' ongoing Inside Metal series (of which LA Thrash Metal is an installment) over here.

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