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Wersi

Wersi (cities Werlau and Simmern) is a Sino-German manufacturer of electronic organs, keyboards and pianos. They were used by organists such as Franz Lambert and the late Klaus Wunderlich.

Wersi's current range of instruments is powered by the Open-Architecture-System (OAS). This is a GUI that runs on top of a Windows XP computer, enabling the keyboard to support third-party programs, such as music notation programs, Software synthesizers, or DAWs. A computer keyboard, mouse, printer, and other normal computer accessories can be attached to the instrument. A CD burner is usually included, allowing the user to record his performance and then burn it onto a CD, without using external equipment. Current Wersi instruments are able to use normal computer hardware, such as SATA hard drives, floppy-drive bay memory card readers, baby ATX motherboards, and standard processors, such as the Core 2 Duo.