From Sideways.
Long ago, all the leitmotifs lived together in harmony
Then everything changed when the fire nation attacked
Twitter: https://twitter.com/Sideways440
Twitch: https://www.twitch.tv/sideways440
Patreon: https://www.patreon.com/Sideways440
Sources and other great links:
Theodore Morris’s video
A list of leitmotifs in AtLA
https://avatar.fandom.com/wiki/Soundtrack_of_Avatar:_The_Last_Airbender
Diegetic music of AtLA
https://avatar.fandom.com/wiki/Music_in_the_World_of_Avatar
An analysis of AtLA’s music
https://avatar.fandom.com/wiki/User_blog:Uiop60/Analysis_of_Music_in_Avatar:_The_Last_Airbender
A reddit post listing off leitmotifs
[ATLA] Character Musical Themes (Leitmotifs) in ATLA?
byu/Kronenburg_Korra inTheLastAirbender
Another thread just talking about how great AtLA’s ost is
Interview with the track team discussing some of their choices for the music
https://www.soundtrack.net/content/article/?id=252
Another interview with the track team talking about the music
http://www.avatarspirit.net/interviews.php?id=2
http://www.avatarspirit.net/interviews.php?id=3
http://www.avatarspirit.net/interviews.php?id=4
Another blog post going over AtLA’s music
http://gatorgala113animation.blogspot.com/2016/04/the-music-of-avatar-last-airbender.html
And honestly, tvtropes had a few things to look out for, worth looking at if you want an easy place to start
https://tvtropes.org/pmwiki/pmwiki.php/Leitmotif/WesternAnimation
https://tvtropes.org/pmwiki/pmwiki.php/AwesomeMusic/AvatarTheLastAirbender
