Rock stars did not invent burning out. They just do it louder.

On 'Idol,' Steven Tyler will be sitting at a table with two other judges, and part of his job will be keeping his yap zipped while they talk. This makes no sense at all, since Tyler has zero yap-zipping skills.

Love dies in many different ways, and it's natural for the grass to seem greener on the other side. But it's not a competition; there's plenty of pain to go around.

At an incredibly divisive point in pop history, Donna Summer managed to create an undeniable across-the-board experience of mass pleasure - after 'Bad Girls,' nobody ever tried claiming disco sucked again. It set the template for what Michael Jackson would do a few months later with 'Off The Wall.'

Anyone watching '30 Rock' always knew Tina Fey was playing a fictionalized version of herself, a workaholic comedy writer who also plays one on TV. She's the boss; Liz Lemon just works here.

We all get as miserable as Erika M. Andersen sometimes, but we rarely approach her musical-ideas-per-miserable-minute ratio.

It goes without saying that 'Buncha Losers' comedies speak to tough times. The massive unemployment of the Reagan years gave us 'Taxi,' 'Cheers' and the genre-defining 'Night Court,' a show you could never admit to watching without making people feel sorry for you.