"He was the most important guitarist in rock history." Mvd Entertainment has revealed the first official trailer for an authorized, official documentary on the legendary rock 'n roll musician Chuck Berry, titled simply Chuck Berry. Berry's 60th birthday concert and the drama surrounding it were captured in Hail! Hail! Rock 'n' Roll, but until now, Berry's life has never before been covered on screen. With Chuck Berry, award-winning music doc filmmaker Jon Brewer (B.B. King: On the Road), lends new insight to the man known as the bedrock of rock 'n roll. Several rock legends reflect on what Berry meant to them, along with exclusive access to Mrs. Berry and his family. The film features Gene Simmons, Alice Cooper, Joe Perry, Steven Van Zandt, Nils Lofgren, George Thorogood, Joe Bonamassa, Nile Rodgers, Johnny Rivers, Themetta Berry, Charles Berry Jr, Ingrid Berry, Marshall Chess, Joe Edwards and more. Check out the trailer below.