2: Eminent performer in some art form (7)

5: Imported food injected with nitrogen (5)

6: at peoples uptown bar for starters? (3)

8: Crushed bones, say, as source of sauce (4,5)

10: Take Chair in university (3)

12: Homer's travail: 'I don't finish daily retreat.' (5)

13: 8-down Its the exception to everything else in the dish tub (7,4)

1: Prosecutor conceals lustrous fabrics (7)

2: Substantial time at your patch (5)

3: His stable is unstable, it's found (9)

4: Perfect counter-spy equipment (3)

7: Be supplied with wings, over and above (7)

9: Neil Armstrong initially brought back extraterrestrial (5)

11: Worthless even when recycled (3)