Apparently this clip’s been around awhile but it’s new to me and so hopefully it’s new to some of you too.  Pretty funny stuff.  The first 1:17 are his great Elmo impression and 1:18 begins his suggestions for songs to go with different products in commercials:

Here’s a performance with a bunch more, some the same, some different songs for the same products, some new ones, etc.  Funny stuff: