This is Frets on Fire X, a highly customizable rhythm game supporting
many modes of guitar, bass, drum, and vocal gameplay for up to four
players. It is the continuation of a long succession of modifications
to the original Frets on Fire by Unreal Voodoo.

Website: http://code.google.com/p/fofix/
Repository (GitHub): http://github.com/stump/fofix
  $ git clone git://github.com/stump/fofix.git

For instructions on running from source, see RunningFromSource.mkd in
the doc/ directory.