Luke Nelson

Plus: listen to "Old Timer" from Willie's new album 'God's Problem Child.'

Kacey Musgraves' most affecting songs, like the young Texan's breakout hit "Merry 'Go Round" -- or the majority of her recent Pageant Material LP, for that matter -- flip stereotypes on their ass...

Willie Nelson performed a special acoustic album release show Thursday night at Grand Ballroom in NYC. Samantha says, "The entire show was incredible from beginning to end...