subculture theatre
LGBTQ-related theatre
http://homosaurus.org/v2/queerTheatre
http://homosaurus.org/v2/theatreLGBTQ
LGBT-related theatre
LGBTQ theatre
Theatre pertaining to, or including parts which relate to, LGBTQIA+ culture, persons, or the LGBTQIA+ community.
queer theatre
LGBTQ