https://www.musical-u.com/learn/what-is-kodaly-and-how-does-it-relate-to-ear-training/
There are almost as many approaches to learning music as there are musicians.
Because it focuses on the expressive and creative skills of musicianship (rather than the theory or instrument skills) the Kodály approach is very closely related to the world of musical ear training.
What can Kodály do for you?
https://www.musical-u.com/learn/what-is-kodaly-and-how-does-it-relate-to-ear-training/