Music Watch Jason Isbell And The 400 Unit Perform Two Songs On Jimmy Kimmel Live! Sep 20, 2017 Facebook Twitter Pinterest WhatsApp Linkedin ReddIt Email Print Jason Isbell and The 400 Unit brought deliverance to Jimmy Kimmel Live! last night and performed two songs. Here’s If We Were Vampires https://youtu.be/eAJs3VYQ8rs …and here they are with Cumberland Gap. https://youtu.be/BjbxlB_GwLo