Excuse the mess it made, it usually doesn't rain
In Southern California,
This could be a reference to the Toni! Toné! Tony! song: http://www.youtube.com/watch?v=3yNibj8LW-Q
The Albert Hammond song:
California is a happy place. A place where it doesn’t “rain”
“Excuse the mess it made” is just talking abut how he’s messed up in the head. Whether from Katrina or some other life experience or relationship.
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