What does acid mean in music?

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Tags

1. #synthesizer
2. #basslines
3. #simply
4. #known
5. #around
6. #developed
7. #subgenre
8. #sequencer
9. #1980s
10. #style
11. #roland
12. #electronic
13. #defined
14. #music
15. #sounds
16. #house
17. #squelching
18. #chicago
19. #primarily