CGP (Clutter Grilo Player) intends to be a media player for Grilo framework backends, using Clutter and MX toolkit to provide some eye candiness.

Modules used are:
clutter (>=1.3): http://git.clutter-project.org/?r=clutter
clutter-gst: http://git.clutter-project.org/?r=clutter-gst
mx (>= 0.8): http://git.moblin.org/cgit.cgi/mx/
grilo: git://gitorious.org/grilo/grilo.git

You can test it in ubuntu lucid (10.04) using the grilo and cgp Personal Package Archives:
sudo add-apt-repository ppa:grilo-team/ppa
sudo add-apt-repository ppa:jdapena/clutter-grilo-player
sudo apt-get install cgp