Final answer:
King's rock band was unique because it was made up of famous actors and writers, differentiating it from traditional bands formed solely by dedicated musicians.
Step-by-step explanation:
The rock band that King describes was different than most other rock bands because they were all famous actors and writers. Instead of being composed of professional musicians who dedicated their lives solely to music, the members of King's band came from diverse backgrounds in acting and writing. This composition is unique in the rock scene, especially given the standard image of rock musicians as dedicated solely to their craft.