Toby Keith salutes troops at 9/11 concert in Washington, D.C.

Jake Owen credits his ex-girlfriend for "Barefoot Blue Jean Night."

Blake Shelton tries hard to avoid "messing up" Miranda Lambert's songs.

James Taylor tenderly sings of moving on at 9/11 memorial.

Travis Tritt claims shady organization at a tornado benefit concert.

Bill Monroe's high-lonesome sound came from a painful childhood.