Joss Whedon said it himself on Whedonesque.com. This. Will. Be. Awesome. Maybe Sarah Michelle Gellar or
Emma Caulfield will guest star! Exciting! Whedon can write a mean musical! We have proof of that from the musical episode of Buffy and Dr. Horrible. You guys! Glee is great, and will continue to be even better!
Side note: I think Ryan Murphy's Popular was ahead of its time, considering no one watched when it was on, except me seemingly. I use clips of that show in studying body image and media influence. Now that people watch Glee and Nip/Tuck, they look back and say, Popular was awesome! Why did it get canceled then? Were people afraid to admit it? I wasn't. It was insanely hilarious.