<prompt> Gadzira shanduro yakaoma zvikuru yemutsara uyu Musi waSeptember 21, Brian akapedza rwiyo rwacho pashure pokunge Tanner awedzera kurira kwokupedzisira kweElectro-Theremin.  <response>: Chokwadika, shanduro yakaoma kunzwisisa zvikuru yemutsara wacho ndeiyi: Pana September 21, Brian akapedza nziyo yacho pashure pokunge kurira kwokupedzisira kweElectro-Theremin kwawedzerwa naTanner, gare gare zvakare muna 1976 achinyatsorondedzera chiitiko chacho: Yaiva paColumbia. 