Rumors are that Taylor will bust out the harmonica tonight. However, the producers do not want him to, as they have not allowed instruments in the past. It was still being decided late, b/c reportedly Stevie Wonder brought the idea up, so Taylor was practicing 2 versions, with and without, while the producers debated the topic.
This was being discussed on various AI forums, with
a summary here.
Also, money is coming in on Bucky to leave, although that may not mean anything. For myself, I took a small position on Melissa going, as posted on my betting thread.