Dierks Bentley and CMT saddle up for charity ride and concert.
Brad Paisley rolls out "Old Alabama" video at NASCAR event.
Carrie Underwood and more donate to "Guitars of the Stars."
Cee Lo Green says The Voice will keep its judges.
Garth Brooks leaves his mark at the Songwriters Hall of Fame.
Neil Young dusts off a lost track from his country rock days.