1: God, transforming first day into last night, was received (3)
2: Shepherd, at times, is more abrupt in tone (7)
3: Mortified humans - fifty per cent felt great pity (7)
4: Bald guy squashes insect (7)
5: Dope turned to eat bun, starting off big (7)
6: 'Look at quickly,' I cry loudly (7)
7: Apparition in Hampton maze (7)
8: Man, what an avant-garde US artist! (3)
11: Original caliph adds brave face to UK/Arab struggle (3-4)
13: Set free from rising to study at night; Im unambitious! (7)
16: Fragile one from England let out (7)
17: An Italian port - New Orleans (7)
18: Took advantage of Delia, heading up to northern Virginia (7)
19: Odysseus' first requirement - to catch you like Polyphemus? (3-4)
20: Conclude it was no place of intense heat (7)
21: Melodic rearrangement of asymmetrically split second part (7)
26: Cot is unmade for short month in fall (3)