Board Thread:Spoilers!/@comment-27060727-20170222030619/@comment-24714250-20170504021920

I think the reason Lana's singing appears to be 'worse' in the Queen Sings is, like what others have said, she was trying to avoid the curse. And also, her solo in the Queen Sings is sung in a much lower pitch, and it's very difficult to sing lower than what you're comfortable with. This episode is probably going to be the one of the most exciting episodes of the series, and we should be happy we're getting a musical!