But bringing people together is what music has always done best.

The first season of 'Community' stumbled a bit because the plotlines too often veered into realism, but that is not a problem anymore. Not when prize episodes concern a campuswide blanket fort, or a secret garden with a magic trampoline.

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

Hometown Aerosmith fans are different from other Aerosmith fans, and that mainly has to do with Joe Perry. It's tough to overstate his strange grip on the local psyche. Tyler is a star who belongs to the whole world, but Perry, that dude belongs to Boston.

Girls take up a lot of room. I had a lot of room for this one.

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.'

It takes only one bad amp to turn your ears to oatmeal: That's how old hippies became Yanni fans.