7pm-9pm, $10–$18, Brooklyn Arts Exchange (BAX), 421 5th Ave, Brooklyn, eventbrite.com. ChamberQUEER, an LGBTQ+ chamber music series based in Brooklyn, NY, announces its first season, ChamberQUEER 2019. Featuring over a dozen LGBTQ+ members of the classical music community and highlighting the music of queer composers, ChamberQUEER 2019 provides an alternative, inclusive space within the local classical music scene. The 3-day series kicks off tonight with a mixer at 7pm and an hour-long concert at 8. After the Sunday concert, ChamberQUEER hosts an after party in partnership with Ginger’s Bar in Park Slope.