CASIO VL-1 - VL TONE (1981) The Synthesizer in the Pocket Calculator - How make own sounds? - YouTube
The CASIO VL-1 (VL Tone) & The ZOOM MS-70CDR = Epic Sounds - YouTube
CASIO VL-Tone Synth | Sound Library – CremaSound
Casio VL-1 - Wikipedia
Casio Music Gear - For #TBT, we have a vintage magazine ad for the Casio VL- 1, the first of the VL Tone line. It combined a calculator, a monophonic synthesizer, and simple