"I got chills the first time I heard it. I could tell he meant every word. It's really cool to see my brother digging deep and writing from the heart... He's born to be a rock star, but he's also the best father I know... He's really found himself through his family. When I have a family, and I definitely want to, I want it to be like his." Good Charlotte star Benji Madden is a big fan of brother Joel's new track Harlow's Song, which he wrote about his daughter.