GetBack

BY SHERI LINDEN | HollywoodReporter.Com Troy Warren for CNT #Entertainment Peter Jackson’s three-part documentary chronicles an intensely productive month for the band, culminating in the legendary Jan. 30, 1969, public performance that would be its last. They might have been the most famous musicians in the world, but there was a bit of understandable nerves when The Beatles convened just after New Year’s in 1969. For the past two years they’d sworn off touring, focusing instead on studio experimentation with such aurally adventurous releases as Sgt. Pepper’s and Magical Mystery Tour. Now they wanted to write songs together again, the old-fashioned way, and perform them in front…