Melodycan allows to convert WMA files (Windows Media Audio) from Napster To Go, Rhapsody and Yahoo Music store; convert M4P to MP3 (MPEG4-AAC Audio) taken from iTunes store; convert RAX files (Real Audio) from Rhapsody; convert ATRAC (Sony's proprietary compressed music formats) purchased from Sony CONNECT Music Store; convert AA audio books from Audible store and a couple of other formats.