Amazon Prime is screening an assortment of documentaries and shorts for free for a limited time. In all, 39 films are available to watch through May 6th. Read more: https://www.usatoday.com/story/entertainment/music/2020/04/30/sxsw-amazon-prime-johnny-cash-my-darling-vivian-le-choc-du-futur-broken-orchestra/3056349001/ photo credit: getty images