Soft Mozart Before and After: development of 2 year old kid in 4 years

Kristina began studying music at home with her mother from the age of 2 years under the Soft Mozart program.
Now Christina is 6 years old, she is learning with a piano teacher at the School of Art.
Video from the contest "Winter Mosaic".
Christina received a Laureate Diploma of the 2nd degree, 2020.
Biysk city, Altai Territory