1: Tender translator of runes (5)
4: Stormy Toccata in A might be best music for one in this state. (9)
8: Furniture style improper for formality (7)
9: Dilapidated city slum without question a source of sectariansim. (7)
11: Poles suffer internally - they're hard (5)
13: Non-discounted rate for newly split grain (4,5)
14: Dating from birth in South African province (5)
15: Sort of collection to compose print (7)
16: Final recipient of product ensured indiscreetly. (3, 4)
18: Gulf expressed in certain letters (5)
20: Director Michael Festers goes back in closet (9)
22: Gutter seamstress (5)
23: Legendary rich guy gets called, then folds (7)
27: Exploits, in Time, founder and glow cold (9)
28: The lowest point in a dire section (5)