That one is kind of intentionally obscure. It's an in-joke among my friends, because all of us happen to love a game called Wonder Boy in Monster World for the Sega Genesis. Anyone who has played it will instantaneously recognize the puzzle.
The music door and the gazebo in town are references to the game.
trying to harvest the red flower things and they don't get picked up. it just gives me null, then when harvesting the % stays on screen (frozen) along with rescource assets. You are un able to leave, and if you try it wont let you move and the inventory just has the darkened back ground and nothing else.