Epiphenomenomusical 

When musicality arises spontaneously from seemingly mundane and unmusical objects.

When the students pushed the chairs around the classroom for a good 15 minutes, the sound produced could only be described as epiphenomenomusical.

Epiphenomenomusical by Tulliver Scrim May 3, 2020

Epiphenomenomusical 

When music spontaneously arises, seemingly accidentally, from an apparently mundane or unmusical source

When the class scraped the chairs along the ground for a good 15 minutes, they produced a sound that can only be described as Epiphenomenomusical.

Epiphenomenomusical by Tulliver Scrim May 3, 2020