Cassy's Play House with Mathias Kaden and Nicolas Matar For her first time back since Cityfox Transcend in September, stylish house music maven Cassy brings perfectly selected rare grooves for dancers and prancers. Cassy’s Play House makes its Avant Gardner debut on March 14th. With support from the 20-year electronic music veteran and infectious selector, Mathias Kaden and legendary club owner and DJ, Nicolas Matar, Cassy’s Play House invites uninhibited music lovers to exhibit their passion on the dance floor. This party is not for the pretentious: Express, don’t impress. 21+ — Visiting Brooklyn for the big event? Here’s a bevy of accommodation options for a comfy stay: bit.ly/BKRooms Events at Avant Gardner may contain flashing lights and strobe effects which affect photosensitive individuals.