I am grateful for bird song. For many reasons.
1. It doesn't change. The Baltimore oriole, the wren, the white-throated sparrow, their warbling of 70 years ago is the same beautiful song today. And I never tire of it.
2. Bird song has no genres, no categories or sub-categories.
3. No video. Always live in concert.
4. No batteries are required.
5. It's free.
6. No singing at night.