Clementine is my preference for listening and manage my music collection, and one thing that I like about clementine is that it integrates well with my Xubuntu desktop. However the version in the precise repository (1.0.1+dfsg-1ubuntu2) doesn't work with keyboard multimedia keys.
I've tried the development version (1.0.1-362-gd34c6e6~precise) and the problem is fixed.
Open a terminal window and run:
sudo add-apt-repository ppa:me-davidsansome/clementine-dev -y && sudo apt-get update && sudo apt-get install clementine -y