No. I sadly cant find it anymore. It was US based Doo Wop related site. It may have gone offsite by now. But I found this (maybe the same as you?)...
"I'm writing the above because I just discovered that, 44 years after we recorded it, an old Thornton Sisters record is playing on YouTube. Who would have thought it?
- Yvonne S. Thornton, MD, MPH"
https://pagingdrthornton.com/2009/07/28/a-blast-from-my-past/
So opposite to what deanosounds was being told, the Cuppy 45 obviously is by THE Thornton Sisters