Good Vibrations doesn't use the theremin, but a custom electronic instrument that was inspired by the trombone: http://www.npr.org/sections/allsongs/2013/02/07/

Good Vibrations doesn't use the theremin, but a custom electronic instrument that was inspired by the trombone: http://www.npr.org/sections/allsongs/2013/02/07/171385175/no-it-wasn-t-a-theremin-on-good-vibrations-remembering-paul-tanner http://www.npr.org/sections/allsongs/2013/02/07/171385175/no...