cava : Console-based Audio Visualizer for ALSA (=CAVA) ( https://github.com/karlstav/cava )
mopidy : An extensible music server that plays music from local disk and more ( http://mopidy.com https://github.com/mopidy/mopidy )
mpd : The Music Player Daemon (mpd) ( http://www.musicpd.org https://github.com/MusicPlayerDaemon/MPD )
pulsemixer : A curses mixer for pulseaudio ( https://github.com/GeorgeFilipkin/pulsemixer )
vimpc : An ncurses based mpd client with vi like key bindings ( http://vimpc.sourceforge.net/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a vampire
For Paludis use this rsync : rsync://gentoo.zugaina.org/vampire-portage
If you have a problem : ycarus(-at-)zugaina.org