Thanks to Wikipedia TIL Johnny Cash released a song about Sequoyah called "Talking Leaves". From the same album as the much more famous "Ballad of Ira Hayes".
> Eventually, he hit on 86 syllables that expressed specific sounds, each syllable represented by symbols borrowed from Greek, Hebrew and English. Later reduced to 85 symbols...
https://en.wikipedia.org/wiki/Cherokee_syllabary#Unicode