Originally Posted by JackieBlue

I haven't found the specific source I remember; but here is a similar quote from a 2009 interview:

"...I saw the drive and the ambition of Jon Bon Jovi, despite the fact that he could only sing 5 notes and most of them out of tune. However, I could see the drive that he had in him to make it."

https://www.songfacts.com/blog/interviews/gentle-giant