| AudioPlayer | Plays a Wave, Mp3 or Mid file. |
| LyricLine | Represents a line of a lyric file. |
| PlaylistEditor | Contains methods to manage the contents of a multimedia playlist file. |
| PlaylistTrackInfo | Contains extended info of a playlist track. |
| UtilAudio | Contains audio related utilities. |
| UtilLyric | Contains lyrics related utilities. |
| WaveRecorder | Defines a Wave audio recorder. |
| StereoVolume | Defines a volume level from range 0 to 100 for left and right stereo channels. |
| ChannelMode | Specifies an audio device channel mode. |
| PlayerStatus | Specifies the state of a AudioPlayer instance. |
| PlaylistType | Specifies the type of a playlist. |
| RecorderStatus | Specifies the state of a WaveRecorder instance. |