These flags are returned in the instMatch field of the General MIDI information structure General MIDI Instrument Information Structure to specify how QuickTime music architecture matched an instrument request to an instrument.
enum {
kInstrumentExactMatch = 0x00020000,
kRecommendedSubstitute = 0x00010000,
kQualityField = 0xFF000000,
kRoland8BitQuality = 0x05000000
};
typedef InstrumentAboutInfo *InstrumentAboutInfoPtr;
typedef InstrumentAboutInfoPtr *InstrumentAboutInfoHandle;