Flamenco dance classes for adult beginners, no prior experience needed. First trial class free. | price: Primera clase gratuita de prueba…
A guess
An evening: movement, a little warm-up shyness and then loosening up. Probably people who like to dance, beginners welcome to join in. In Buenos Aires people dine late and go out after 23:00.
A guess from the kind of event, the hour and the city, not from the organizer.