Can you solve my riddle? I speak without a mouth and hear with no ears. I have no body, but i come alive with wind. What am i? plz no cheating

echo

Explanation:

An echo is a reflection of your own voice. Which is why an echo can speak without a mouth and hear without ears. However, an echo is only heard when the wind conditions are optimal, so it comes alive with the wind.

12-bar blues chorus = a a b