With your student loans and serial unemployment, you suffer for your art. But Maggie Manzer’s not afraid to bleed for hers. While building Progressive Sharing — her gallery, opening tonight — she slashed her finger and had to go to the emergency room. Undeterred, she returned later to finish the project. Set in a sprawling Chinatown space, Manzer highlights works by pros and amateurs alike. Her first show, centered around music and sound, will have a graphite rubbing of a concert piano, a cabinet of sounds, and other oddities. Exhibits change every two months, and upcoming themes like hoaxes, gambling, and blindness promise an interesting lineup. On opening night, gather outside for music-making by running your finger around the rims of wine goblets filled with water. It won’t hurt a bit. Reception, 5-9 p.m. Performance, 9 p.m. Progressive Sharing, 319a North Eleventh Street, sixth floor (646-275-0599 or progressivesharing.com).