1) Chicago singer Peter 2) Et follower 3) Glory of love singer peter 4) Others, to ovid 5) Part of &c 6) Peter of Chicago 7) Singer peter 8) The c in etc 9) The c in, and others 10) The Glory of Love singer 11) The rest 12) The rest, to caesar Found on https://www.crosswordclues.com/clue/cetera