1. The Pet Shop Boys' first U.S. hit, from 1985: "West End Girls"
2. Village People song (later recorded by the Pet Shop Boys) based on Pachelbel's Canon in D: "Go West"
3. They had a hit with "King of Wishful Thinking" that always fools me into thinking it was by Chicago: Go West
4. Ray Charles' 1962 album that includes "Hey Good Lookin'" and "You Don't Know Me": Modern Sounds in Country and Western Music
5. 1965 Rolling Stones song that makes fun of record company employees: "The Under Assistant West Coast Promotion Man" 
6. Puccini opera set during the California Gold Rush: Girl of the Golden West
7. John Mellencamp song in which "this loud Cuban band is crucifying John Lennon": "Key West Intermezzo (I Saw You First)"
8. Leonard Bernstein's update of Romeo and Juliet set amongst Puerto Rican and American gang kids in New York City: West Side Story
9. Name of the Grateful Dead's "Wharf Rat": August West
10. "Gold Digger" and "Love Lockdown""Yo Becky, I'm really happy for you and I'mma let you finish, but Beyoncé had one of the best videos of all time. One of the best videos of all time.": Kanye West
11. Music festival that takes place every spring in Austin, Texas: South by Southwest
12. "California knows how to party..." no, not the 2Pac song, the original: "West Coast Poplock"
13. Will Smith, Escape Club, and Kool Moe Dee have all recorded songs with this title: "Wild Wild West"
14. A 1958 hit for The Olympics that reflects a TV craze of the time: "Western Movies"
15. Guitarist and vocalist for Mountain: Leslie West
16. Five Americans song in which the vocalists imitate Morse code: "Western Union"
17. Female country singer who recorded "What Are We Doin' in Love" with Kenny Rogers: Dottie West

Bonus: "Looking for a chateau, twenty-one rooms but one will do": "West L.A. Fadeaway"