All the time...some of it he may actually understand (or at least the gist of it), while most is likely just gobbledegook, but it seems calming to him, so why not? He is a very skittish and fearful cat. I do everything I can think of to enhance his life, show him he is important, and safe.
He came from a home where he was the only cat for eight years, then was forced into a multi-cats, multi-dogs, and multi screeching brats situation. He couldn't cope, so he was discarded at the SPCA shelter like yesterdays trash. It is both my duty and honor to take good care of him, and do for him what his previous crappy owner was too selfish to do.