Should be the same with Richie's voice then.

This high, clear tone he had on Stranger in this town seems to be gone completely nowadays.
Now there's more a kind of low, rough, bluesy tone in his voice, probably also due to the escapades he had between 2005 and 2008.

He skips a lot of words live also, just as Jon does.... which means it's Dave, Hugh and Bobby who keep the vocal parts stable.