18d) Bird's dark drink (8) NI??????
20d) Carbon, aluminium, copper and lithium in stones (7) C??????
23d) Rousing song possibly meant to inspire hearts (6) no letters
25a) Helpless here? at home, Luther reformed church (2,3,5) ?? ??? ????H
29a) e.g. Rommel cruelly half lied about spoils (5,7) no letters
All help greatly appreciated