| Interface | Description | 
|---|---|
| SoundCategory | |
| SoundType | Represents a sound that can be heard on clients. | 
| SoundType.Builder | Builds a SoundType, primarily for sending custom sounds to the client. | 
| Class | Description | 
|---|---|
| PitchModulation | Represents a value to supply to
  Viewer.playSound(SoundType, Vector3d, double)to modulate the pitch
 to a specified note. | 
| SoundCategories | |
| SoundTypes | An enumeration of vanilla  SoundTypes. |