Yamaha PCS-500 Play-card System

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Casio KX-101 Bizarro Teclado/Boombox Hibrido

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Intellivision ECS Keyboard Repair and Demo

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Troca da bateria e recarregamento dos parâmetros padrões no Korg Poly 800

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Yamaha DX100 Conserto e Resenha

24:31
Restauração Piano Digital Yamaha | Restaurando piano elétrico profissional

13:23
Yamaha Reface Review - Part 1 The DX

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From “Terminator” to “Poltergeist”, This Vintage Keyboard Provides

13:52