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 legendary US songwriter.
1. Weak 2. Haphazard 3. Prey 4. Metallic element 5. Naturism 6. Mineral 7. Uproar 8. Respect 9. Regain 10. Supple 11. Tell 12. Incendiary liquid