AVClub, maybe. I'm paraphrasing here, but he said that Glee was like an experiment to see if you could wring emotionally true moments out of emotionally false situations. Then he said that the answer was "sometimes".

If I'm being honest, I'll keep watching for the songs. And then I'll find out if you're right about them being interesting. But for the moment it seems like they've spent a few months delaying a cop-out that could have been accomplished in half the time.