>=dev-scheme/guile-1.4-r3
>=dev-libs/libxml-1.8
>=dev-libs/libxml2-2
>=media-sound/esound-0.2
>=media-libs/audiofile-0.2.2
=sci-libs/fftw-2*
media-libs/libmad
media-libs/ladspa-sdk

vorbis?
      ( >=media-libs/libvorbis-1 )

gnome?
      ( >=gnome-base/libglade-2 >=gnome-base/libgnome-2.6 >=gnome-base/libgnome-2.6 >=gnome-base/libgnomecanvas-2.6 >=dev-libs/glib-2.6 >=x11-libs/gtk+-2.6 )

alsa?
      ( media-libs/alsa-lib )