There's something advantageous about being a woman in rock versus, say, a woman in chemistry or construction. There's definitely a built-in sexism across the board, but I think you're afforded a degree of freedom in rock because, historically, the rules have been flexible.
Chemistry has been termed by the physicist as the messy part of physics, but that is no reason why the physicists should be permitted to make a mess of chemistry when they invade it.