The "Tonight Show" host valiantly tried to get Tim McGraw to guess "Cool Runnings" during game of charades
Awards ceremony will take place April 6
Group co-founded by Katie Couric has raised $180 million so far
McGraw will give away one mortgage-free home to wounded military vets on each tour stop, beginning with his Tampa concert on June 2
Only Sugarland's Jennifer Nettles cuts through the smooth-pop clutter in their duet on "Hello"
The uneven album, once the center of legal battle between the singer and his label Curb Records, hints at greatness and settles for affability
Country music-themed film also casts Tim McGraw, Garrett Hedlund, Leighton Meester.