Like his idol R. Kelly, R&B crooner Trey Songz’ performances are known to unpredictably shift between raunchy seduction numbers, lovely ballads, soul classics, and groove-filled party numbers. While the Virginia-born lothario seems cartoonishly over-the-top on songs such as “I Invented Sex” and “Panty Droppa,” hits like 2009’s “Say Aah” and current smash “Dive In” triumph—despite the lyrics and porny videos—due to Songz’ classic, honeyed syllable-stretching. Read more >>> Trey Songz performs with Miguel and Elle Varner at 7:30 p.m. at DAR Constitution Hall, 1776 D St. NW. $75-$85. (202) 628-4780. dar.org/conthall. (Steve Kiviat)

OH AND ALSO

The latest venture from Sweet Tea Pumpkin Pie Festival founder and local-music booster Dave Mann officially opens tonight. 9th & Beats, located within the Old Dominion Brewhouse, kicks things off with a show by youth bands The Black Sparks and Ladle Fight. Proceeds benefit victims of Hurricane Sandy. 7 p.m. at 1219 9th St. NW. $5. All ages.

“Nam June Paik: Global Visionary,” a sweeping new exhibit of the Korean-born contemporary artist, opens at the Smithsonian American Art Museum today. Go! On view daily (except Christmas Day) from 11:30 a.m. to 7 p.m. at 8th and F streets NW. Free.

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