Follow the procedure below to use iTunes for transferring audio files.
- Open iTunes on your Mac or PC.
- Connect your iPhone, iPad, or iPod touch to your computer using the USB cable that came with your device.
- Click your device in iTunes.
- In the left sidebar, click File Sharing.
- Select “iAudioGate” in the page that appeared.
- Click [Add], and then select the audio file of the song that you want to transfer.