SEASON FINALE: Three of the four surviving Voice finalists who sang last night are country artists, each coming at the genre from a different perspective: rock-flavored and growly-voiced Chris Kroeze, sweet and traditional Chevel Shepherd, and soulful Kirk Jay. The remaining finalist, Kennedy Holmes, is the youngest in the competition, having just turned 14, and is more mainstream pop, rock and hip-hop. Overall, this Final 4 did so well with their respective trio of songs that I&rsqu