<< Britney is pop
Offspring is pop punk
Ozzy is god
and John Melloncamp can be considered good ol' rock and roll.
Pop is musical entertainment. It's manufactured to be popular, catchy, and, ultimately, forgetable. Rock is a genre of music that might have artists that become popular (Zeppling, Billy Joel, Doors, etc.,)
Lethal >>
Very good summary. You could add Bob Seger in under Rock too.