RIPROC — a group of DJs, electronic musicians, and fans who host local underground shows — has a massive set at the Bug Jar Friday night. The show will feature hour-long sets by regional acts Hoogs (drum 'n' bass, dub), and True Risen (jungle, dub) with support from Dr. Stockman, Matt 4star, Sita, and Bizmuth. Dan Coco will provide lighting for the night.

The RIPROC show will take place Friday, March 18, at the Bug Jar, 219 Monroe Avenue. 8 p.m. $5 for 21 and older; $15 for 18 to 20. bugjar.com; facebook.com/riproc.