This is especially true if you like classical music; installers who know only rock will not have a clue as to what you want.

We're more popular than Jesus now; I don't know which will go first, rock 'n' roll or Christianity.

"There were so many great places to go hide," said Vanessa, now 21, who knew every bush and rock on the property.

Casey knew rock as he knew bacon and beans and his sour-dough can.

I know trees and mountains, snow, ice, and bare rock.

Rod knew rock, but flowers were his weak suit.

I don't know which is rock and which is artifact, even extrapolating from where we thought the earlier scans told us the object should be.

Avata knew rock before knowing Self; and the second spark snapped: I!

The Bugaboos have several internationally known rock climbing routes.