Musician Brian who has an asteroid named after him

ENO

["Think of a prominent ambient music pioneer."]

The clue "Musician Brian who has an asteroid named after him" leads to the answer "ENO" through the following logical steps: 1. **Musician Named Brian**: The clue specifies a musician named Brian. One of the most well-known musicians named Brian is Brian Eno. 2. **Asteroid Named After Him**: The clue also mentions that this musician has an asteroid named after him. Indeed, asteroid 81948 (1999 VR24) is named "Eno" in honor of Brian Eno. 3. **Answer Format**: Crossword puzzles often require the answer to be in all capital letters. Therefore, "Brian Eno" translates to "ENO" in the context of a crossword puzzle. Putting it all together, the musician Brian Eno, who has an asteroid named after him, fits the clue perfectly, leading to the answer "ENO."