Nintendo a capella Video

I don't recognize all the game references but this a capella video clip of Nintendo game themes is still fun.
Thanks to emilybrianne for posting this over in ljover30!

http://college.big-boys.com/articles/nintendochoir.html

The only part I haven't recognized or guessed from context is the slightly boogie-woogie rhythm part where they sing 'jada dada dada dada / jada dada dada dada...' What's that one? (2nd theme) How many of these do you recognize? And how many of you squandered hours and days away playing these games?