It's not easy being a frontman. Not only are you the first in firing line for critics, but as the focus, your task is to embody the very ethos of the band - to channel the songs in the most direct way and be spokesman straight to your fans.
If your frontman doesn't cut it, then you just won't last. But those with true greatness are the ones who lead bands straight into the history books - or have a power and influence unparalleled. This is when icons are born.
We've trawled through the generations to find these visionaries and heroes. To consider the women in music is another conversation, and one we certainly intend to have. But for now, here's to the 100 very best frontmen in rock.