Hemphill Fine Arts: Mingering Mike, D.C.’s most prolific fictional musician and the subject of Dori Hadar‘s book, Mingering Mike: The Amazing Career of an Imaginary Soul, is also the subject of the latest exhibition at Hemphill, which is accompanied by an exhibition of new paintings by Tina Newberry. The reception is at 6:30 p.m. Saturday, June 2; Hadar discusses and signs copies of his work at 4:30 p.m. Saturday, June 2; the exhibitions are on view from 10 a.m. to 5 p.m. Tuesdays through Saturdays, to Saturday, July 28, at Hemphill Fine Arts, 1515 14th St. NW. Free. (202) 234-5601.

Honfleur Gallery: An exhibition of works by self-taught painterly painter Delphine Perlstein opens this Saturday at Honfleur, which—-according to the gallery’s Web site—-will be opening its doors for the first time in a month after suffering severe flood damage. The reception is at 7 p.m. Saturday, June 2; the exhibition is on view from noon to 6 p.m. Tuesdays through Fridays and 11 a.m. to 5 p.m. Saturdays, to Saturday, June 23, at Honfleur Gallery, 1241 Good Hope Road SE. Free. (202) 580-5972.