July 21-23, Diskobar, 911 N. Charles St., facebook.com/diskobarbaltimore, free.
DJ Biskit, Fuchsia Casual, Jason Drenner, Discuji, Mood Unit, Tyler Schmith, Sad Eyes, and others perform at Diskobar's weekend-long festival featuring the Baltimore premiere of "Northern Disco Lights," a documentary about Norweigan dance music.