The announcement of my . . . enblogification* was met with a good number of my online friends sharing stories about how hearing one song can lead them to get another song stuck in their head. This is a very, very familiar sensation.
My long-suffering wife, Christy, has become to accustomed to my sudden changes in thought pattern, and they are not limited to musical. It is not unusual at all to hear me say something like, "Oh, speaking of sugar beets, is Castle a new episode tonight?", leaving her to either just answer the question and assume that there's a perfectly logical, albeit tenuous, connection between Castle and sugar beets, or demand to know what lead from one thing to another. Some days, I still remember by the time she thinks to ask.
I'd say that I make these strange connections perhaps three or four times a day. Is this at all common