Suzanne Ciani (https://www.sevwave.com/), is giving a live quadrophonic show at Ambient Church in Los Angeles on January 20th, 2023:

https://ambient.church/suzanne-ciani-la-01202023

Ciani, the Diva of the Diode aka #sevwave is a pioneer who previously worked for the legendary "red panel" Don #Buchla as a soldering technician in the 1970s.

She helped create the audio portions of what the first "talking" #pinball game, Bally's #Xenon, released in 1980.

She's 76, not sure how many live performances she has left in her.