The overall structure is intro then verse 1, 2, then an outro. This is called strophic.
This piece has a very simple and repetitive melody. The soloist sings an octave lower than what is written. There is a use of backing vocals. There is a use of nonsense syllables to fill in the gaps and make the song seem to flow better. It is also pentatonic or hexatonic.
The tonality at the beginning of the…