Great minds think alike. For the last few days, the mystery performer of two lovely little Sesame Street songs has been on my mind.

The two ditties in question are capital I and lower case n. The music is brief but haunting, of the early 1970s folk style.

And then, just a few days ago, The Onion AV Club has finally solved the mystery. A gentleman named Steve Zuckerman wrote and performed the tunes, when he was just 20.