"After years trumping the competition as a contest fiddler, it might not seem like there are many kinds of music that don't just roll off John Boulware's fingers like so much water. But when he joined up last summer with local bluegrass then-trio-now-sextet Slim Pickin's, Boulware said he was forced to play outside his comfort zone. Making his fiery fiddling work in a group setting playing jazzed-up bluegrass was certainly a challenge, but a welcome one, he said. "I had to work at it, but it...