The film is a beautifully documented portrait of Keith Richards that takes us on a journey to discover the genesis of his sound as a songwriter, guitarist and performer. Keith Richards: Under the Influence is unparalleled in its access as it looks at one of the architects of rock ānā roll music, while charting his sound and influences, back to the music that inspired him then and now -- electric blues, country honky-tonk, southern soul, and more ā as he creates his…