It was important for Galymjan Moldanazar to sing in Kazakh because it is his native language and the language of his culture. Singing in Kazakh allows him to express his cultural identity and heritage, as well as connect with his audience in a meaningful and authentic way. Additionally, singing in Kazakh helps to preserve and promote the language and traditions of Kazakhstan. By performing in his native language, Moldanazar can effectively communicate the beauty and richness of Kazakh culture to a wider audience.