1: Greek characters suggest dawn (3)

3: Bloomer made by member of string quartet (5)

5: Children nicely holding back secret (5)

6: Short bloke discontinued hike (3)

7: Came back on a diet anew and wasted away (9)

9: One may be transported by this kiss, it's said (3)

10: Rare fish goes around and around (5)

11: Birds in white trousers (5)

12: Begin suspecting like you're clever (3)

1: The sound of a piano is excruciating (5)

2: Some slippers and also shoes (7)

3: Green coat for Italian composer and Spanish painter (9)

4: It comes to a point everyone heard (3)

6: It's news broadcast for a seer (7)

8: Gloomy semi-dull firmament (5)

9: Tender command (3)