Look, we know that your Dad is pretty set in his ways when it comes to music. If it were up to him, he'd probably hole up with his collection of Rush LP's and pretend new music ceased to exist after, say, 1996. But 'Tom Sawyer' gets pretty old after the first thousand listens (despite Neil Peart's drumming). And, really, good new rock 'n' roll does exist -- you just have to put a little effort into finding it. So, just as we offered suggestions for your mom on Mother's Day, here are some artists to consider introducing your pops to on Father's Day.