For a little over a decade, the Semi-Modulars have been producing innovative electronic music in Austin with a rotating cast of members. The musicians are all students at the Texas School for the Blind and Visually Impaired, and their only instruments are synthesizers.Texas Monthly staff writer Michael Hall spent a school year following the band ahead of its latest release—called Excruciatingly High-Frequency Oscillator—and he wrote about it in the September 2025 issue of Texas Monthly. This week on TM Out Loud, Mike has the story of the band’s biggest show in support of its new album, performed on the jam-packed patio of an Austin bar around the corner from the school. TM Audio subscribers can listen to this article. Subscribe today for audio stories, bonus…