Glee - Saturday Night Glee-ver - Song Spoilers

This is one long hiatus. A disco themed episode of Glee is planned for when it returns after the mid-season finale. Will there be a time jump? Disco doesn't exactly sound sad or tragic like Quinn's accident suggested. Here are the alleged song spoilers for the episode Saturday Night Glee-ver.

Spoilers:

I wonder how legit these spoilers are. It looks like Tina is getting a song! And Blaine doesn't have 20 solos!

I got it from Tumblr so speculate away!