virtual/zlib:=
dev-libs/expat
media-sound/lame
media-libs/libsndfile
media-libs/soxr
dev-db/sqlite:3
media-libs/portaudio
dev-libs/glib:2
x11-libs/gtk+:3
x11-libs/wxGTK:3.2-gtk3=[X]

midi?
      ( media-libs/portmidi media-libs/portsmf )

id3tag?
      ( media-libs/libid3tag )

mp3?
      ( media-libs/libmad )

mp2?
      ( media-sound/twolame )

matroska?
      ( media-libs/libmatroska )

ogg?
      ( media-libs/libogg )

vorbis?
      ( media-libs/libvorbis )

flac?
      ( media-libs/flac )

sbsms?
      ( media-libs/libsbsms )

soundtouch?
      ( media-libs/libsoundtouch )

ffmpeg?
      ( media-video/ffmpeg )

vamp?
      ( media-libs/vamp-plugin-sdk )

lv2?
      ( media-libs/lv2 media-libs/lilv media-libs/suil )

sys-devel/gettext
dev-libs/serd
dev-libs/sord
media-libs/sratom
media-libs/taglib