mp3 mode messages will only be acted upon when the frontpanel is in mp3 mode. Care should be taken when in other modes as the buffers often have different uses in each mode.

'A' - Artist
Message text is the artist name.

'T' - Track
Message text is the track name.

'E' - Elapsed Time
Message text is the text representation of the elapsed time.

'C' - Complete Time
Message text is the test representation of the total track time.