This is the sort of show that we hate to see but that we're glad to have: When Tir na nOg's Local Beer, Local Band series emerged as a premiere outlet for weekday tunes in Raleigh, the sound for most of those Thursdays was managed by Robert Bruce, an audio engineer more affable than most. In recent weeks, his 3-year-old son, Ian, has undergone surgery to correct long-term urinary system complications. To support Ian, 10 of the bands his dad has cared for over the years return to help, including bombastic pop quintet I Was Totally Destroying It, songwriting statesman Kenny Roby, hip-hop fusion enthusiasts LiLa and country-rock agitators Old Quarter. —Grayson Currin