1: Norse gentleman? Not exactly. (5)
4: Capital - a Schubert composition (9)
8: Heads of Asian countries hope the United Nations gives attention to Germany (7)
9: Letter about a recent dance (7)
11: Illness I catch performing exercises? (13)
12: Young boy capturing us with snapshot, initially incurring mistrust (9)
14: Dixie, perhaps, greeting Japanese food (5)
15: Noise of family gathering at the start (5)
16: Fraternize to such extent Zen leader gets entangled in spy group lie (9)
19: 'Ransom'? Lame. Run 'Rocky I', 'II', 'III', etc. (5,8)
21: Art and Fred, horsing around, draw up new plan (7)
23: Poorer and more squalid, heading from south to north (7)
24: Victor receives this prize literally or decoration (4,5)
25: Six points making a case for one in good shape (5)