Using the knobs, Squareld, Using the knobs 097 – Yamaha PortaTone PSR-I425 User Manual

Page 21

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Using the knobs, Squareld, Using the knobs 097 | Yamaha PortaTone PSR-I425 User Manual | Page 21 / 128 Using the knobs, Squareld, Using the knobs 097 | Yamaha PortaTone PSR-I425 User Manual | Page 21 / 128
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