Set of scripts and class file(s) written in Python that builds upon the somewhat limited rhythmbox development API that communicates using DBUS, adding some very useful functionality that currently isn't available.
Amarok 2.0 script, that shows information about the currently played track as a notification using a notification daemon that implements the freedesktop.org dbus interface (e.g. libnotify, notify-osd, knotify since kde 4.3).