1: Dizzy Ben is a playwright (5)
4: Every other starlit fish starting search for little percussion instruments (9)
9: To accept covert mission, in brief, is an opening for chaos (7)
10: The ultimate objective is not to achieve the goal. (2, 5, 1, 3)
11: Wanderer features in ones best adage (7)
13: Apparent place in the tall grass (7)
15: Sadly curtail urge for land cultivation (11)
18: Backblock not all there (3)
19: Mr Stewart on the staff (3)
20: Martyr fighting segregation (5,6)
21: True one hiding along the way (2,5)
22: Popular book impounded by British police after revolution (7)
25: Dog finally completes one volume, with excellent handwriting (7)
26: An Italian port - New Orleans (7)
28: Prominent performer with Peru's wild climbing rodents (9)
29: Genteel Egyptian penning mournful poem (5)