A documentary about a legendary folk singer tops the DVD releases for the week of Jan. 16. “Joan Baez: I Am a Noise”: The musician and political activist who rose to stardom in the 1960s discusses her art as well as her personal life through the years. “Executive produced by Patti Smith, ‘Joan Baez: I Am a Noise’ begins with the artist digging through a large collection of notebooks, drawings, videotapes and recordings. She is excavating one of the most remarkable and notably political artistic careers in American history,” writes Boston Herald critic James Verniere in his review. “A lifelong …