Songbird is an open-source customizable music player.

It is integrated with these Web 2.0 services: mashTape, SHOUTcast Radio, Last.fm Scrobbling, and Songkick concert tickets. You can enhance Songbird with community-contributed plugins like Media Flow.

Features include:

• GStreamer
• Smart Playlists
• Built-In Web Browser
• Multi-language Support
• Automatic Updates
• Setup Assistant
• Custom User Interface
• Library Management
• Developer Support

Beta features include portable device support, metadata management, album artwork, and subscriptions.

Please note that the author has stopped supporting this program, but Nightingale is now available as an alternative.