Hello someone already has the function second hand?

SamplerSound :: SamplerSound (const String & name, AudioFormatReader & source, const BigInteger & midiNotes, int midiNoteForNormalPitch, double attackTimeSecs, double release TimeSecs, double maxSampleLengthSeconds )

I can not load an audio fall there. would someone have an example of how he played an audio with this function can play?