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Creating the Intro music on a Yamaha PSS470 - YouTube
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Keyboard: Yamaha PSS-460 / PSS-470 - The 8-Bit Guy
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Yamaha PortaSound PSS 470 Key Digital Synthesizer | eBay
Yamaha PortaSound PSS-470 Key Digital Synthesizer Keyboard
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Yamaha PSS-470 Classic FM Synthesizer Keyboard | Clean in Open Box | Reverb
PSS-470 - Yamaha PSS-470 - Audiofanzine
