On Saturday, Cristiane dos Santos Clavé, who was at the establishment and lost 15 friends that night, testified.
Tragedy, which mainly killed young people, marked the city of Santa Maria, known as a university center in Rio Grande do Sul, and shook the entire country.
The defendants are Elissandro Callegaro Spohr, former partner of the club; Mauro Londero Hoffmann, also a former partner; Marcelo de Jesus dos Santos, vocalist of the band and Luciano Bonilha Leão, music producer.