A song for a brother is what you wish you had said the last time. It is the years of riding in the back seat together, the years of not speaking, the years of finally figuring each other out. It is the way brothers love each other — usually without saying so, sometimes in code, always specific.
What this kind of song holds
These songs hold the shared inheritance and the divergent paths. They hold the moment one of you grew up and the other took longer. They hold the time he had your back even when you didn't know it. The best ones use brotherhood as the lens, not the subject.
What to put in the intake
Give us the years between you. Give us the running joke. Give us the moment you knew you were on the same team for life. Give us his trade, his music, his bad habit. The smaller the truth, the more the song lands.