+ DownloadProgress = property(GetDownloadProgress,doc="See `GetDownloadProgress`")
+ DownloadTotal = property(GetDownloadTotal,doc="See `GetDownloadTotal`")
+ PlaybackRate = property(GetPlaybackRate,SetPlaybackRate,doc="See `GetPlaybackRate` and `SetPlaybackRate`")
+ State = property(GetState,doc="See `GetState`")
+ Volume = property(GetVolume,SetVolume,doc="See `GetVolume` and `SetVolume`")