Abstract: An audio reproducer that can be preferably used to practice to play a musical instrument is disclosed. The audio reproducer includes an audio reproduction part and a processing part. The audio reproduction part reproduces a first audio signal recorded in a recording medium. The processing part performs a special reproduction operation on the reproduced first audio signal under control over the audio reproduction part as well as a special effect operation on a second audio signal supplied via an input terminal. Then the processing part synthesizes the resulting first audio signal and the resulting second audio signal to generate an output audio signal.