Songbird is an open-source customizable music player that’s under active development.Songbird comes with a built-in tag editor and much of these can be automatically populated through the various plug-ins. You can rate songs and add all the metadata you want including your own comments.
Features:

• Discover Flickr photos, YouTube videos, last.fm biographies, Google news (and more) for the currently playing artist.
• Integrated Last.fm support allows you to scrobble, love, and ban your tracks.
• Songbird supports MP3, FLAC, and Vorbis on all platforms; WMA and WMA DRM on Windows; and AAC and Fairplay on Windows and Mac.
• Songbird uses GStreamer as the main media playback system, across all platforms.
• Create dynamic playlists that automatically update based on criteria you set.
• Songbird includes an integrated web browser with features like bookmarking, tabbed browsing, and more.

Visit : www.getsongbird.com