Uhhh, are JY and Kevin the same person? They sound the same. LOL

LOL, why not show a picture of how the piano works?

JY is such a troll for not showing the full question first. And for what?? Wasting time??

Why not have all the answer options visible first? A,B,C,D,E... That way I try it myself first. Then compare with the video tutorial or the written explanation. Now the order is all jumbled