Sultry and emotional singer Fiona Apple performs Monday night at Wolf Trap, 1635 Trap Road, Vienna, Va. Apple's latest album is the charming and quirky Extraordinary Machine. In the title track's chorus, she sings "be kind to me / or treat me mean / I'll make the most of it / I'm an extraordinary machine." As if we didn't know already. Tickets are $25-$40. 8 p.m. Call 703-255-1868 or go to wolf-trap.org.