She sounds quite off in most of the live, I think she lost the training, I mean, nowadays she is not used to sing that amount of songs in a row. When she gets to sing, she sings about 1 song or maximum 3 songs in a row, so 29 songs is a lot.
The first one! White Key!
(Be sure to check my blog for the rest of the performances so I won't be spamming the thread with vids.)