With Pardcast-a-thon 2012 coming up next week, Pat and Gary play some of their favorite songs with "smile" or "train" in the title. (Pardcast-a-thon is Never Not Funny's annual 12-hour live-stream charity event to raise money for Smile Train. Watch live on November 23rd, noon-midnight PST at pardcast.com! Learn more at smiletrain.org/pcat12)

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