CLOCK WORD
The solutions from 1 to 12 are all six-letter words ending with the letter M in the centre. Moving clockwise from 1, the letters in the outer circle will spell out the name of a late English singer-songwriter.
1. Cathedral city
2. Unpick a hem
3. National socialism
4. Art movement
5. Pilot
6. Noncommissioned officer
7. Fundament 8. Beat 9. Hard metal 10. Tepee 11. Incendiary gel 12. Preserve