Twin directories of audio:

[DIR]  ftp://ftp.sds.lcs.mit.edu/pub/audio/
[DIR]  ftp://ftp.dit.upm.es/pub/msdos/winsock/hgopher/viewers/audio/
[DIR]  ftp://ftp.uni-freiburg.de/pub/bera/audio/
[DIR]  ftp://ftp.unice.fr/windows/drivers/audio/
[DIR]  ftp://ftp.eenet.ee/pub/cpan/authors/id/T/TE/TELS/audio/
[DIR]  ftp://ftp.eenet.ee/pub/PC-BSD/PBI/audio/
[DIR]  ftp://ftp.eutelia.it/pub2/CPAN_Mirror/authors/id/T/TE/TELS/audio/
[DIR]  ftp://ftp.eutelia.it/pub/Slackware_Mirror/unsupported/source/audio/
[DIR]  ftp://ftp.saintjoe.edu/pub/CPAN/authors/id/T/TE/TELS/audio/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/ietf/rfc/OLD.iana/assignments/media-types/audio/
[DIR]  ftp://ftp.iaea.org/dist/adpi/090202/audio/
[DIR]  ftp://ftp.iaea.org/dist/adpi/081127/audio/
[DIR]  ftp://ftp.iaea.org/dist/adpi/090508NuclWaste/audio/
[DIR]  ftp://ftp.iaea.org/dist/adpi/080922/audio/
[DIR]  ftp://ftp.iaea.org/dist/adpi/080924/audio/
[DIR]  ftp://ftp.iaea.org/dist/adpi/080929/audio/
[DIR]  ftp://ftp.iaea.org/dist/adpi/081003/audio/
[DIR]  ftp://ftp.iaea.org/dist/adpi/081014/audio/
[DIR]  ftp://ftp.iaea.org/dist/adpi/090702_GD_vote/audio/
[DIR]  ftp://ftp.iaea.org/dist/rifa-trc/Crete/Workshop/audio/
[DIR]  ftp://ftp.x.org/contrib/audio/
[DIR]  ftp://ftp.cirr.com/pub/NetBSD/packages/i386/audio/
[DIR]  ftp://161.7.9.172/download/transportation commission 11-7-08/audio/
[DIR]  ftp://ftp.games.skynet.be/spool1/games/ftp.blizzard.com/war3x/audio/
[DIR]  ftp://ftp.games.skynet.be/spool1/games/ftp.westwood.com/bladerunner/web/audio/
[DIR]  ftp://ftp.games.skynet.be/spool1/games/ftp.westwood.com/cc1/previews/audio/
[DIR]  ftp://ftp.games.skynet.be/spool1/games/ftp.westwood.com/dune2/previews/audio/
[DIR]  ftp://ftp.games.skynet.be/spool1/games/ftp.westwood.com/dune2000/previews/audio/
[DIR]  ftp://ftp.games.skynet.be/spool1/games/ftp.westwood.com/emperor/previews/audio/
[DIR]  ftp://ftp.games.skynet.be/spool1/games/ftp.westwood.com/kyrandia1/previews/audio/
[DIR]  ftp://ftp.games.skynet.be/spool1/games/ftp.westwood.com/kyrandia2/previews/audio/
[DIR]  ftp://ftp.games.skynet.be/spool1/games/ftp.westwood.com/kyrandia3/previews/audio/
[DIR]  ftp://ftp.games.skynet.be/spool1/games/ftp.westwood.com/lands1/previews/audio/
[DIR]  ftp://ftp.games.skynet.be/spool1/games/ftp.westwood.com/lands2/previews/audio/
[DIR]  ftp://ftp.games.skynet.be/spool1/games/ftp.westwood.com/lands3/previews/audio/
[DIR]  ftp://ftp.games.skynet.be/spool1/games/ftp.westwood.com/lionking/previews/audio/
[DIR]  ftp://ftp.games.skynet.be/spool1/games/ftp.westwood.com/monopoly/previews/audio/
[DIR]  ftp://ftp.games.skynet.be/spool1/games/ftp.westwood.com/nox/previews/audio/
[DIR]  ftp://ftp.games.skynet.be/spool1/games/ftp.westwood.com/redalert/previews/audio/
[DIR]  ftp://ftp.games.skynet.be/spool1/games/ftp.westwood.com/redalert2/previews/audio/
[DIR]  ftp://ftp.games.skynet.be/spool1/games/ftp.westwood.com/renegade/previews/audio/
[DIR]  ftp://ftp.games.skynet.be/spool1/games/ftp.westwood.com/tiberiansun/previews/audio/
[DIR]  ftp://ftp.kfki.hu/pub/packages/perl/CPAN/authors/id/T/TE/TELS/audio/
[DIR]  ftp://ftp.ourproject.org/pub/musix/audio/
[DIR]  ftp://ftp.kfki.hu/pub/linux/ftp.kernel.org/pub/scm/linux/kernel/bkcvs/linux-2.5/drivers/sbus/audio/
[DIR]  ftp://ftp.kfki.hu/pub/linux/ftp.kernel.org/pub/scm/linux/kernel/bkcvs/linux-2.4/drivers/sbus/audio/
[DIR]  ftp://ftp.registro.br/pub/cg-conteudos/audio/
[DIR]  ftp://ftp.registro.br/iana/media-types/audio/
[DIR]  ftp://ftp.internat.freebsd.org/pub/FreeBSD/ports/amd64/packages-8-current/audio/
[DIR]  ftp://ftp.internat.freebsd.org/pub/FreeBSD/ports/audio/