Cantos Instrument Demonstrations (2007) - An earlier project of audio demonstrations of the vintage electronic instruments housed at the National Music Centre, formerly the Cantos Music Foundation, in Calgary, Alberta Canada. Here are some examples:
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Buchla 406
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Buchla 200
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Various Moog
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Mellotron
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Sequential Circuits Pro One
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Orgatron
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Memory Moog
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Polymoog
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Yamaha CS80
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Yamaha GS2