The product is a Korg M1 Orchestra 1 MPC-04 Program Card and MSC-04 PCM Card from 1988. These cards are designed for use with keyboard data cards and feature PCM program cards in English language. Made in Japan, these cards are a valuable addition for collectors or enthusiasts of vintage electronic music equipment. The MPC-04 Program Card allows users to access and manipulate various sounds and music programs, while the MSC-04 PCM Card provides additional sound libraries for the Korg M1 synthesizer.
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