2: Very young cat I lost in an ancient city (7)
6: Fish spawn upstream in little orifices (3)
8: Language making a comeback in modern Italy (5)
9: Piece of pottery containing drink to make beast tender (9)
11: Quiet floor decoration is a sign of indifference (5)
12: Walesa still embodies how Nobel Laureates soar? (3)
13: Hungarian composer on CD extra, perhaps, with Norwegian composer (7)