FurrBLITZEN TRAPPER(Sub Pop) Portland, Ore., avant-folk outfit Blizten Trapper's latest CD, Furr, begins pleasantly enough with the contemplative, Harvest-style rocker "Sleepytime in the Western World." The everyman-voiced singer doesn't have much to say, but it's a catchy, rustic opener. The second track ups the rock quotient and, on the coda, squeezes a flute next to […]