This video, via RetroSound, takes a look at the classic Crumar Performer B analog string synthesizer.
The Crumar Performer B is vintage fully-polyphonic brass & string synthesizer (1979).
Here’s what RetroSound’s Marko Ettlich has to say about the video:
all #analog string and synthesizer sounds: #Crumar Performer B (with SSM 2040 filter) from the year 1979
recording: multi-track, played by hand
fx: Electro Harmonix Memory Man Deluxe Delay/Chorus and Small Stone phase shifter