Why do guitars sound better as they age?

Related questions

1. What is so special about a Stradivarius violin?
2. Why are old violins so expensive?
3. Why do Stradivarius violins sound better?
4. How many Stradivarius violins are unaccounted for?
5. Is it hard to learn violin?
6. Are all the Stradivarius violins accounted for?
7. Are Yamaha violins good?
8. How many Stradivarius violins are left in the world?
9. Can Stradivarius play violin?
10. Who owns the most expensive violin?

Tags

1. #players
2. #guitars
3. #proven
4. #becomes
5. #theory
6. #responsive
7. #resonant
8. #acoustic
9. #better
10. #lighter
11. #sound
12. #explains