If you can stomach the Bee Gees' signature falsettos, maybe you can stomach anything, including heavy metal's signature screeching guitars courtesy Tragedy: An All-Metal Tribute to the Bee Gees. Tonight, Thursday, Dec. 9, at 8 p.m. The State Theatre, 220 North Washington St., Falls Church. Tickets are $14. Call 703-237-0300 or visit thestatetheatre.com.