The voice actor of Uncle Iroh was Mako Iwamatsu, who sang a song in the episode Tales of Ba Sing Se.

The fictional character of Uncle Iroh had sung a song in the episode Tales of Ba Sing's second season & the soundtrack was performed by Mako.

The fictional character of Uncle Iroh had sung a song in the episode Tales of Ba Sing's second season & the soundtrack was performed by Mako.The character of Uncle Iroh sung the song 'Leaves From the Vine' two times in the series, the first time was for a crying child. For the second time, Iroh sang the song to honour his son in which he thanked his son for helping him to be a better person. The Song was sung by the actor Mako Iwamatsu, who voiced Uncle Iroh for the first and second season of Avatar. The song became one of the most defining parts of his legacy. The episode 'Tales of Ba Sing Se' was telecasted as an honour to Mako after his death in 2016 due to Oesophagal cancer.