Alt-Americana icons Wilco have released two covers of songs from The Beatles twelfth and final studio release, 1970’s Let It Be. The band tackled the plaintive ballads “Dig A Pony” and “Don’t Let Me Down” as part of Amazon Music’s [RE]DISCOVER campaign, which is celebrating this month’s special edition reissue of Let It Be. Wilco’s October surprise foreshadows the release …