8 pm on 3/19 and 8 & 10:30 pm, 3/20-21, Comedy Club on State. $15-$10. 608-256-0099. More than anything, stand-up comedian Rich Vos is a master at working a crowd. Aside from being the first white comic to perform on "Def Comedy Jam," he finished third on season one of NBC's "Last Comic Standing," wrote jokes for the Chris Rock when he hosted the Academy Awards and has released two Comedy Central specials.