The Arrowsmith Doctrine might apply here.  That doctrine holds that payments to ex-stock holders or ex-partners treat subsequent payments as they treated their original sale.  Which would most likely be a capital gain or loss.  So then these payments would be considered capital gains.

https://en.wikipedia.org/wiki/Arrowsmith_v._Commissioner

And if that is not the right Aerosmith, then try this

https://www.google.com/search?client=firefox-b-1-d&q=aerosmith+sweet+emotion&stick=H4sIAAAAAAAAAONgF...