The search for "rockin'" delivered 1 verse in 1 song on 1 record.
The dragon searched for the following: "rockin'" as keywords
Here are the matching verses:
Black Sabbath: Mob Rules
7. Slipping Away
Rockin' the glass, I won't leave you my reflection
A future without a past, no more road to take me back
Come if you will, yeah, just don't question my direction
Breaking away, slipping away, we can find the sun