<s>[INST] Here are 18 of my favorite songs. I'd like you to determine the theme of this playlist and suggest some songs to add.
**Playlist:**

1. The Kinks - "Lola"
2. The Beatles - "Penny Lane"
3. The Velvet Underground - "Pale Blue Eyes"
4. The Rolling Stones - "Sympathy for the Devil"
5. The Who - "A Quick One, While He's Away"
6. The Doors - "The End"
7. The Animals - "House of the Rising Sun"
8. The Bee Gees - "To Love Somebody"
9. The Monkees - "(I'm Not Your) Steppin' Stone"
10. The Hollies - "Long Cool Woman in a Black Dress"
11. Donovan - "Season of the Witch"
12. The Byrds - "Eight Miles High"
13. The Mamas & The Papas - "California Dreamin'"
14. The Seekers - "I'll Never Find Another You"
15. Simon & Garfunkel - "The Sound of Silence"
16. The Turtles - "You Showed Me"
17. Steppenwolf - "Born to Be Wild"
18. The Supremes - "You Can't Hurry Love"

**Note:** A few songs were popular in the '60s and '70s; they were picked because they fit the mood of this playlist.

Analyzing these songs, I conclude that the theme is **psychedelic rock** and **60s classic rock**, but I'm not sure. Can you help?[/INST]