We were as surprised as anyone that the most light-hearted song in our catalog turns out to be the most demanding of typing skill. When the fast sections come, make sure to focus on typing lightly, don't mash the keys.
Don't despair if this song is just TOO hard. Easier difficulties will come in a future update.
Also, this one is so hard, we added shortcuts in the top-left to make it easier to start the song over if your run falls apart early.