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Amazon.com: DAOK 3-pedal for digital keyboard piano, Three foot pedal unit Compatible for Yamaha P125, P121, P515, P128, DGX670 Electric piano (Black) : Musical Instruments
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Amazon.com: Yamaha LP1B 3-Pedal Unit for P225, P125, P121, P515, PS500 and DGX670 ,Black : Musical Instruments
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What do the pedals on a piano do? | Cunningham Piano Company, Philadelphia, King of Prussia, PA - YouTube
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