In a viral video that does precisely what it says on the tin — “me singing right into a properly in Italy” — Tiffany Day belts out “Hallelujah,” the stirring ballad written by Leonard Cohen however popularized by John Cale and Jeff Buckley and coated by a whole bunch of singers. For Day, the reverb of the properly gives further depth to her voice as she crescendos, including melisma and going up an octave alongside the best way. The Kansas-raised, LA-based artist has a lot to reward today, and her au courant tackle soulful dance pop is greater than delivering on the promise of that viral video. March 17 at 7:30 p.m. at DC9, 1940 Ninth St. NW. dc9.membership. $18-$20.