mpdris2 : An implementation of the MPRIS 2 interface as a client for MPD ( http://github.com/eonpatapon/mpDris2 )
pulseaudio : A networked sound server with an advanced plugin system ( https://www.freedesktop.org/wiki/Software/PulseAudio/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a ikelos
For Paludis use this rsync : rsync://gentoo.zugaina.org/ikelos-portage
If you have a problem : ycarus(-at-)zugaina.org