Photo by wolfkann

Photo by wolfkann

IMPROV: Washington Improv Theater’s Harold Night at Source (1835 14th Street NW) tonight and every Tuesday is a longform improv show that starts with suggestions from the audience. 9:40 p.m. doors, 10 p.m. show. Free.

MUSIC: The Libaya Baba group “performs a program of Garifuna music and dance” on the Kennedy Center Millennium Stage (2700 F Street NW) tonight. This event is part of the 2013 Smithsonian Folklife Festival. 6 p.m. Free.

POETRY: Busboys and Poets (2021 14th Street NW) welcomes “a diverse chorus of voices and a vast array of professional spoken word performers, open mic rookies, [and] musicians” for Open Mic Poetry tonight. 9 to 11 p.m. $5.

BEER: ChurchKey (1137 14th Street Northwest) is the site of the Duvel Tripel Hop 2013 (Sorachi Ace) Release Party this evening, serving up the new brew and giving away Duvel glassware. 6 p.m. Free admission, beers priced individually.