The Korg MSC-10S "Ethnic" card set is an expansion bundle for the vintage Korg M1 series of synthesizers. It consists of two matching ROM cards: the MSC-010 PCM card (sound waveform data) and the MPC-010 Program card (preset programs and combinations).
Compatible Synths: Korg M1, M1R, M1EX, M1REX, T1, T2, T3, T2EX, T3EX (the PCM card also works with the M3R).
The MSC-10 PCM card expands the internal memory of vintage Korg synths by providing unique global acoustic instrument samples. Notable waveforms included on the card are:
| Program name with audio demo | My comments |
| Beautiful, vaguely Middle-Eastern patch | |
| Awesome Shakuhachi patch | |
| Gorgeous Thailand bells | |
| The art of swinging in this primordial instrument | |
| Fantastic hammered dulcimer | |
| Quintessential Caribbean steel drum patch | |
| The classic Middle-Eastern drum | |
| Asia | |
| Classic Celtic instrument | |
| Yep | |
| The mummy awakens | |
| Nice. | |
| Nice Gamelan | |
| Cool mixed patch | |
| Good fretless electric bass | |
| Beautiful ambience | |
| Excellent | |
| Beautiful synth pad | |
| Combination name with audio demo | My comments |
| Gorgeous metallic synth pad | |
| Nice dulcimer style | |