Ernest’s visit to this city of muses opens with a country music songwriting sesh, a tour of the impeccable Frist Art Museum and the impactful National Museum of African American Music, before a little fresh Mex with his friends: singer-songwriters Alyssa Trahan and Makayla Lynn, journalists Mickela Mallozzi and Jeannette Ceja, museum director Dr. Susan Edwards, and curator Dr. Steven Lewis.