Spoilers for an upcoming episode...
First let me say: there is no source linked because I am posting this on someone else's behalf. All I can say is that it is a completely legitimate source and I would not be posting this information if I were not 110% certain of its validity. Trust me, there is nothing I hate more in this world than foilers.
A reminder: PLEASE do not tweet this information or link this post to the Warblers or anyone affiliated with the show. Doing so could affect the ability to share other spoilers in the future.
Here are the three pieces of info I have:
--Pavarotti dies.
--Chris will sing "Blackbird" by The Beatles as a solo.
--Kurt is transferring back to McKinley. (If that wasn't obvious enough already.) Not sure what the circumstances of him leaving Dalton are, though.
This will be happening in 2x16, the Regionals episode.
There may be more information to share later. I'll update this post if there is.
ETA: Chris has the lead on "Blackbird," but The Warblers are backing him up.