LOS ANGELES (Reuters) - Foo Fighters' frontman Dave Grohl was forced to defend his Grammy acceptance speech on Friday after numerous fans and critics interpreted his words as a critique of modern pop music. "I love music. I love ALL kinds of music...Electronic or acoustic, it doesn't matter to me," Grohl said. "The simple act of creating music is a beautiful gift that ALL human beings are blessed with. And the diversity of one musician's personality to the next is what makes music so exciting and ... human," added the "Walk" singer. ...