During its 575-episode run, Saturday Night Live has had four all-female rock groups as musical guests. SNL is a major rung on the ladder to mainstream success, and it's worth wondering why so few female bands get the chance to step up. Lilith Fair proved that plenty of ladies are eager to strap on a guitar, but very few seem to want to do it with their sisters--perhaps because they know that the (still) mostly male rock audience inevitably associates all-women bands with either gender politics or tickle fights.
The double standard at work is obvious. No one expects Hoobastank to...