Today's Piano Puzzler

This week's contestant is Mike Freiberg from Golden Valley, Minnesota.  The hidden song is extremely easy, and most people I think will get it about five seconds in, after a very sleight introduction.  And it's obvious throughout, not especially hidden.  As for the composer style, I had a pretty definitive guess early on and was right.  So -- I got both, huzzah.  I think most have a good chance, as well.