There are, however, lines in the music world that can't be crossed -- and in rock, punk, rap, soul and even country this line is the clearest: no smiling for the publicity shot.
Or on album sleeves or, for that matter, the cover of Rolling Stone. For years, stars at the very pinnacle of fame have posed for rock's most coveted square foot of glory, and for years these stars have feigned glumness, unease and outright annoyance.
It is difficult to think of another idea that has taken root so thoroughly in every genre of popular music. (WashPost, A&L Daily)