main features - use your filesystem as media library - create and browse multiple music roots - display filename/id3/both - manage playlists - fast search with embedded hsqldb - multiple export features - associate with .mp3 files (windows only) - search and display lyrics used libraries - hsqldb: embedded database - javazoom basicblayer: top-level sound api - jgoodies looks: open source look&feel - apache POI: excel export - JDOM: XML export - google web api: search for lyrics