So I have recently been listening to an amazing musician on Youtube known as Divide Music. These are two of his songs that fit this book. I reccomend listening to Zuko's song before Irohs, even though Iroh's is perfect.

Iroh's song; Find Your Way 

https://youtu.be/24zpLded27Y

Zuko's Song; No Way Out

https://youtu.be/SO8JPKWssfg