Tzai put out another trailer for Shmusicup earlier today, and this one has a nice variety of musical tracks to show off the different possible bullet effects in the game. That last one almost turns it into a bullet hell-like game.
Ishaan specializes in game design/sales analysis. He's the former managing editor of Siliconera and wrote the book "The Legend of Zelda - A Complete Development History". He also used to moonlight as a professional manga editor. These days, his day job has nothing to do with games, but the two inform each other nonetheless.