Adventure Time Season 8 Episode 10 - The Music Hole Episode Title:The Music Hole.Episode Description:Finn, still despondent over the loss of his Finn Sword, is selected to be the judge of a battle of the bands. Almost everyone in Ooo takes part, but Finn becomes interested in a song that seemingly only he can hear. With Jake and Lady, Finn tracks down the source of the music: the titular Music Hole (voiced by Ashley Eriksson). The hole explains to Finn that its song can only be heard by either the innocent, or those who have experienced a great loss. After discussing the nature of loss and camaraderie, Finn declares the Hole to be the winner of the battle of the bands.