Just click the green flag and watch. Toggle buttons at the bottom of the screen allow you to turn off lyrics, change background, turn off sound, or hide controls.
Kind of a corny country song kind of thing, but it sort of works for Mother's Day! Project inspired by presentation given by Mitch Resnick. The presentation video is embedded here: http://www.ted.com/talks/mitch_resnick_let_s_teach_kids_to_code?language=en