Music glitch!

Hi jammers! I was in my brother's den. His user is pool54321. Anyways, when I arrived there, I saw this.

Apparently, it's a copy of the music Tarin trottin' except, the picture of it is in the den! pool doesn't know how it happened. He says it is not for trade. He can move the picture to a different location in his den, but when he goes somewhere and goes back to his den, it is back to it's original place. You may go to his den to look at it.