Mustn’t have been much left of them.
The Big Bopper's son had no recollection of his father, and didn't find out that he'd been a nationally known showbiz figure until later in his life, because his mother never mentioned it. When the crash happened, in most of the country, the death of The Big Bopper (who was surely a nice person, but in showbiz, he was a one hit wonder, at best) was the headline. A few years back (more than a few probably) there was some kind of stink about how there had been a struggle for control of the plane (some tabloid-level nonsense) and the son had his father's body exhumed for an autopsy. As 99% of the world expected, the autopsy showed that pretty much every bone in his body had been broken, and he'd died instantly. And that's where the story gets a little too creepy to post. :^(
Three of the bodies were thrown clear, and only one, the pilot, was still in the wreck. It had skidded for 130 yards after initial impact, scattering bits all over a stubbled field.
The Big Bopper was actually tossed over a fence into the next field...
The pilot flew into the ground in low visibility, at cruising speed.
Body parts were scattered all over the field. There’s police coroner pics on Google of them. Pretty nasty.