Is Led Zeppelin a heavy metal band?

Related questions

1. Is Lamb of God death metal?
2. Is Dave Mustaine religious?
3. Why did Mercyful Fate break up?
4. Is Black Sabbath the first metal band?
5. What band started thrash?
6. Is Ghost black metal?
7. Who died in Pantera?
8. Who invented power metal?
9. Is Motorhead a thrash metal?
10. Is Pantera death metal?

Tags

1. #sound
2. #individualistic
3. #sources
4. #genre
5. #guitar
6. #regarded
7. #style
8. #their
9. #draws
10. #classic
11. #transcends
12. #driven
13. #zeppelin
14. #bands
15. #heavy
16. #metal
17. #however
18. #first