The Golden Bagpipes of the Injun Hill

The golden bag pipes are an important element of the Jerry mythos. It is an artifact allegedly buried on the Indian Ridge which Jerry owns. Though nobody has ever seen the relic, its existence isn't explicitly denied. Many theories exist as to the backstory of bagpipes, such as the following:
 * They were buried by the ancestors of a prominent Phult0n family
 * They don't exist and the story is all horseshit
 * They were buried within the 20th century by a drunkard and former owner of the Indian Ridge
 * A pair of bagpipes was buried by they weren't golden and are long broken down