sdl2_mixer-dev.tcz
   sdl2_mixer.tcz
      SDL2.tcz
   SDL2-dev.tcz
      SDL2.tcz
   mpg123-dev.tcz
      mpg123.tcz
         libltdl.tcz
      SDL2-dev.tcz
         SDL2.tcz
      pulseaudio-dev.tcz 
   opusfile-dev.tcz
      opusfile.tcz
         libopus.tcz
         libogg.tcz
         openssl.tcz
            gcc_libs.tcz
      libopus-dev.tcz
         libopus.tcz
      libogg-dev.tcz
         libogg.tcz
      openssl-dev.tcz
         openssl.tcz
            gcc_libs.tcz
   libvorbis-dev.tcz
      libvorbis.tcz
         libogg.tcz
      libogg-dev.tcz
         libogg.tcz
   flac-dev.tcz
      flac.tcz
         libogg.tcz
      libogg-dev.tcz
         libogg.tcz