This week on Nashville Insider, Toby Keith opens up about his new song for Clint Eastwood’s film, “The Mule”…Brett Young gets a one-way ticket to the top of the charts with his sophomore album release…Season 10 “The Voice” contestant, Adam Wakefield talks about his new l.p., “Gods & Ghosts”… and later, co-writer Heather Morgan takes us inside Brett Eldredge’s hit song “Beat of the Music”