I'm assuming they'll have a mix of everything. I would like to maybe see a modern, "indie" rock radio station with the likes of Black Keys, Arctic Monkeys, Kigns of Leon, Strokes, etc.
I'm sure they'll have a '70s rock station, as most regular cities do. For something of that type, I think I'd pick Steppenwolf, The Guess Who, Free, Bad Company, KISS ('70s only, really). Those groups just have that screaming '70s masculinity about them, don't they lol. Doesn't get any more "tough" than those, super-macho groups. Of that time period altogether my favorites would probably be Beatles (obviously, probably not going to happen), Jimi Hendrix Experience, Velvet Underground, Deep Purple, etc.