To upload an audio file, click the Audio icon on the left side menu. Then, select Import Audio File. Choose the file from your device and it will automatically begin importing. Once complete, you should see the name of the file:
We support most audio files including AAC, AC3, AIFF, FLAC, OGG, OPUS, MP3, MP4, M4A,TS, WMV, WAV and WMA.