Over the course of his three studio albums, Ben Kweller has become known as a top-shelf purveyor of the power house pop song. The arsenal of effortless melodies, surging refrains and agile harmonies he employs could only come from a kid raised on a steady diet of the Beatles, the Beach Boys, and the Hollies. But on Kweller's new album, a straight up country charmer entitled CHANGING HORSES.