https://www.youtube.com/watch?v=8lkAwOD34NY
It's already been proven it's not as hard as people perceive it to be, SE were just clever and made it 'feel hard' by making it difficult to max out the bar is all.
Truth of the matter is, if you managed to get it this far in the game without having to press 3 keys per second, this trial is a good time to learn how to use more than 1 finger to play.