What does p5 mean in music?

Related questions

1. Who holds power in Iran?
2. What countries are sanctioned by the US 2018?
3. When did Trump withdraw from the Jcpoa?
4. What are the US sanctions on Iran 2018?
5. How are the non permanent members chosen?
6. What is the kill radius of a nuclear bomb?
7. Who has a permanent seat in the UN?
8. What is the biggest nuclear bomb the US has?

Tags

1. #scale
2. #frequency
3. #culture
4. #consecutive
5. #classical
6. #diatonic
7. #first
8. #nearly
9. #ratio
10. #perfect
11. #theory
12. #corresponding
13. #notes
14. #music
15. #interval
16. #musical
17. #western
18. #pitches
19. #fifth