Tune your mandolin and polish your harmonica — the Brooklyn Folk Festival is back for a seventh year. This year’s fest, which runs April 17–19, is moving to St. Ann’s Church in Brooklyn Heights and will feature a Hawaiian string band, a Guinean outfit, and a pipe organist, in addition to the standard lineup of fiddles, banjos, and jugs.
8 pm at St. Ann and the Holy Trinity Church [157 Montague St. at Clinton Street in Brooklyn Heights, (718) 395–3214, www.brook
These films have no stars — neither the ratings kind nor the actor kind. The annual Bad Film Fest celebrates the best of the worst in independent cinema. This year’s lineup, which will play across seven screenings April 16–18, includes films titled “Clowns Are NOT Scary,” “Santageddon,” and the beloved family classic “Possessed Forklift of Death.”
7 pm and 9 pm at Cloud City (85 N. First St. between Berry Street and Wythe Avenue in Williamsburg, www.badth
The best kind of beer is free beer. The Knights of Bruklyn Quarterly Home Brew Competition is back for another installment at Union Hall, and you can try all 10 garage brews in the contest gratis. So regardless of what the judges decide, you are the real winner.
4 pm at Union Hall [702 Union St. between Fifth and Sixth avenues in Park Slope, (718) 638–4400, www.union
Hey neighbor! Fort Greene’s famed Mark Morris Dance Group is hoofing it all the way across Lafayette Avenue to the Brooklyn Academy of Music for a five-night run from April 22–25. The troupe will perform two programs of its pieces from the past two decades.
7:30 pm at Brooklyn Academy of Music [30 Lafayette Ave. between Ashland Place and St. Felix Street in Fort Greene, (718) 636–4100, www.bam.org]. $25–$95.
Former “Star Trek” screenwriter Morgan Gendel will discuss the possibility — and possible implications — of re-wiring of the human brain with the Brooklyn Futurist Meetup. Gendel is the man behind one of the most highly acclaimed “Star Trek: The Next Generation” episodes “The Inner Light,” in which an alien probe re-wires Cpt. Picard’s brain, so he knows what he is talking about.
6:45 pm at Livestream Public (195 Morgan Ave. between Meadow and Stagg streets in Williamsburg, meetu