The version is 0.3.0, Symphonic, a portable MP3/WMA/OGG/FLAC file manager for Sony players. Simply copy it on your usb player and use it wherever you are! It is an alternative to SonicStage. (Was NW-E00x Mp3 File Manager...) Symphonic Features: 1. support generations 3 to 7 2. support MP3, WMA and ATRAC files transfer directly...