| Class | Description | |
|---|---|---|
| SiMMLData | SiMML data class. | |
| SiMMLEnvelopTable | Tabel evnelope data. | |
| SiMMLSequencer | The SiMMLSequencer operates SiOPMModule by MML. | |
| SiMMLTable | table for sequencer | |
| SiMMLTrack | Track is a musical sequence player for one voice. | |
| SiMMLVoice | Voice data. |