AudioToolbox Changes AudioToolbox AudioFile.h Added kAudioFileFileNotFoundError Added kAudioFilePropertyAudioTrackCount Added kAudioFilePropertyUseAudioTrack AudioFileStream.h Added kAudioFileStreamProperty_InfoDictionary AudioQueue.h Added kAudioQueueTimePitchAlgorithm_Varispeed AudioToolbox.h Added CopyInstrumentInfoFromSoundBank() Added #def kInstrumentInfoKey_LSB Added #def kInstrumentInfoKey_MSB Added #def kInstrumentInfoKey_Name Added #def kInstrumentInfoKey_Program