What does it mean when I play the piano and my dog howls?

Whenever I practice on the piano, my dog goes underneath the piano and "sings"!Is it hurting his ears, or is he trying to communicate with the piano (

Whenever I practice on the piano, my dog goes underneath the piano and "sings"!
Is it hurting his ears, or is he trying to communicate with the piano (lol)?

or:Whenever I practice on the piano, my dog goes underneath the piano and \"sings\"!Is it hurting his ears, or is he trying to communicate with the piano (lol)?

or:My dog does it too. I think they just don't like hearing some pianos.

Tags:sing,