<!-- mpd bindings -->
    <keybind key="W-Up">
      <action name="Execute">
        <command>mpc toggle</command>
      </action>
    </keybind>
    <keybind key="W-Down">
      <action name="Execute">
        <command>mpc stop</command>
      </action>
    </keybind>
    <keybind key="W-Left">
      <action name="Execute">
        <command>mpc prev</command>
      </action>
    </keybind>
    <keybind key="W-Right">
      <action name="Execute">
        <command>mpc next</command>
      </action>
    </keybind>