[alsa-devel] The sound-2.6.git tree is gone?

$ git clone git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6.git Initialized empty Git repository in /tmp/sound-2.6/.git/ fatal: The remote end hung up unexpectedly

Where has the tree gone? I see no sign of it at http://git.kernel.org.