Twin directories of sound:

[DIR]  ftp://ftp.keystealth.org/pub/gnu/tmp/linux-libre-fsf2_2.6.28/linux-2.6.28/sound/
[DIR]  ftp://ftp.uni-leipzig.de/pub/linux/pub/comp/os/linux/sunsite/apps/sound/
[DIR]  ftp://ftp.uni-leipzig.de/pub/linux/pub/comp/os/linux/sunsite/kernel/sound/
[DIR]  ftp://game.kuban.ru/cs16/resourses/valve/sound/
[DIR]  ftp://ftp.sharewarecenter.de/pub/macware/sound/
[DIR]  ftp://ftp.mimuw.edu.pl/mirror/ftp.redhat.com/pub/redhat/linux/6.2/en/os/sparc/doc/gsg/figs/sound/
[DIR]  ftp://ftp.mimuw.edu.pl/mirror/ftp.redhat.com/pub/redhat/linux/6.2/en/doc/RH-DOCS/gsg/figs/sound/
[DIR]  ftp://82.96.64.7/pub/linux/kernel/people/marcelo/linux-2.4/drivers/sound/
[DIR]  ftp://82.96.64.7/pub/linux/kernel/people/marcelo/linux-2.4/Documentation/sound/
[DIR]  ftp://ftp.dit.upm.es/isabel/utils/Linux/sound/
[DIR]  ftp://ftp.uni-freiburg.de/pub/pc/msdos/windows/drivers/sound/
[DIR]  ftp://ftp.uni-freiburg.de/pub/pc/win95/sound/
[DIR]  ftp://ftp.sonycsl.co.jp/mirror/eddie.mit.edu/hp95lx/sound/
[DIR]  ftp://ftp.eutelia.it/pub/Sunsite_Mirror/kernel.org/pub/kernel/people/marcelo/linux-2.4/drivers/sound/
[DIR]  ftp://ftp.eutelia.it/pub/Sunsite_Mirror/kernel.org/pub/kernel/people/marcelo/linux-2.4/Documentation/sound/
[DIR]  ftp://ftp.eutelia.it/pub/Sunsite_Mirror/kernel/sound/
[DIR]  ftp://ftp.eutelia.it/pub/Sunsite_Mirror/docs/LuCaS/NuLies/web/2.2/Documentation/sound/
[DIR]  ftp://ftp.eutelia.it/pub/Sunsite_Mirror/docs/LuCaS/NuLies/web/2.4/Documentation/sound/
[DIR]  ftp://ftp.eutelia.it/pub/Sunsite_Mirror/docs/LuCaS/NuLies/web/Documentation/sound/
[DIR]  ftp://ftp.eutelia.it/pub/Sunsite_Mirror/ALPHA/sound/
[DIR]  ftp://ftp.eutelia.it/pub/Sunsite_Mirror/X11/kde-apps/sound/
[DIR]  ftp://ftp.eutelia.it/pub/Sunsite_Mirror/apps/sound/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/Mirrors/ftp.kde.org/pub/kde/unstable/apps/KDE1.x/multimedia/sound/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/Mirrors2/ftp.kernel.org/pub/linux/kernel/people/marcelo/linux-2.4/Documentation/sound/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/Mirrors2/ftp.kernel.org/pub/linux/kernel/people/marcelo/linux-2.4/drivers/sound/
[DIR]  ftp://ftp.cs.ust.hk/pub/lzhang/teach/201/codes/applets/sound/
[DIR]  ftp://ftp.inf.utfsm.cl/pub/Linux/Docs/LuCaS/NuLies/web/2.2/Documentation/sound/
[DIR]  ftp://ftp.inf.utfsm.cl/pub/Linux/Docs/LuCaS/NuLies/web/2.4/Documentation/sound/
[DIR]  ftp://ftp.inf.utfsm.cl/pub/Linux/Docs/LuCaS/NuLies/web/Documentation/sound/
[DIR]  ftp://ftp.linux.ncsu.edu/pub/ncsuscyld/i386/doc/gsg/figs/sound/
[DIR]  ftp://ftp.linux.ncsu.edu/pub/realmlinux/realmkit-6.2/i386/doc/gsg/figs/sound/
[DIR]  ftp://ftp.psg.com/pub/modula-2/gpm/software/sound/
[DIR]  ftp://ftp.dhp.com/pub/neogeo/sound/
[DIR]  ftp://debian.lcs.mit.edu/pub/linux/kernel/people/marcelo/linux-2.4/Documentation/sound/
[DIR]  ftp://debian.lcs.mit.edu/pub/linux/kernel/people/marcelo/linux-2.4/drivers/sound/
[DIR]  ftp://199.6.1.164/pub/scm/linux/kernel/git/rdunlap/linux-docs/sound/
[DIR]  ftp://ftp.kfki.hu/pub/linux/ftp.kernel.org/pub/scm/linux/kernel/git/teigland/origin-dlm.git/include/sound/
[DIR]  ftp://ftp.kfki.hu/pub/linux/ftp.kernel.org/pub/scm/linux/kernel/git/teigland/origin-dlm.git/sound/
[DIR]  ftp://ftp.kfki.hu/pub/linux/ftp.kernel.org/pub/scm/linux/kernel/git/teigland/origin-dlm.git/Documentation/sound/
[DIR]  ftp://ftp.kfki.hu/pub/linux/ftp.kernel.org/pub/scm/linux/kernel/git/jejb/merge-tree/include/sound/
[DIR]  ftp://ftp.kfki.hu/pub/linux/ftp.kernel.org/pub/scm/linux/kernel/git/jejb/merge-tree/sound/
[DIR]  ftp://ftp.kfki.hu/pub/linux/ftp.kernel.org/pub/scm/linux/kernel/git/jejb/merge-tree/Documentation/sound/
[DIR]  ftp://ftp.kfki.hu/pub/linux/ftp.kernel.org/pub/scm/linux/kernel/git/glommer/kvmclock.git/include/sound/
[DIR]  ftp://ftp.kfki.hu/pub/linux/ftp.kernel.org/pub/scm/linux/kernel/git/glommer/kvmclock.git/sound/
[DIR]  ftp://ftp.kfki.hu/pub/linux/ftp.kernel.org/pub/scm/linux/kernel/git/glommer/kvmclock.git/Documentation/sound/
[DIR]  ftp://ftp.kfki.hu/pub/linux/ftp.kernel.org/pub/scm/linux/kernel/bkcvs/linux-2.5/drivers/sound/
[DIR]  ftp://ftp.kfki.hu/pub/linux/ftp.kernel.org/pub/scm/linux/kernel/bkcvs/linux-2.5/include/sound/
[DIR]  ftp://ftp.kfki.hu/pub/linux/ftp.kernel.org/pub/scm/linux/kernel/bkcvs/linux-2.5/sound/
[DIR]  ftp://ftp.kfki.hu/pub/linux/ftp.kernel.org/pub/scm/linux/kernel/bkcvs/linux-2.4/drivers/sound/
[DIR]  ftp://ftp.kfki.hu/pub/linux/ftp.kernel.org/pub/scm/linux/kernel/bkcvs/linux-2.5/Documentation/sound/