FWIW, if I change /etc/apt/apt.conf to read: APT::Default-Release "squeeze" ;
This causes an error as follows: # apt-get install lilypond Reading package lists... Done E: The value 'squeeze' is invalid for APT::Default-Release as such a release is not available in the sources -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
