Consonance is a lightweight GTK+ music manager that aims to be fast, bloat-free, and light on memory consumption.
It is written completely in C and GTK+. Some of the features are:

• Library management using sqlite3
• Multiple views
• OSD support
• Tag Editing
• mp3, ogg, flac, modplug, wav and Audio CD support
• Last.fm submission
• Playlist management (M3U)
  
• DBUS management interface
  

The dependencies of Consonance include: dbus-glib, flac, gtk2, libao, libmad, libnotify, libsndfile,
libvorbis, sqlite3, libmodplug, libcdio, libcddb, libcurl and taglib.

The latest release of Consonance is v0.5.1.

Consonance is on an indefinite hiatus. I don't plan to return to civilization for a while,
so anybody is free to fork it - Sujith.