"The Bayer 4 by the Common Siblings", a piano textbook for children ages 6 and older who are just starting to learn the piano, uses the Common Siblings characters that children love to learn basic music theory in an easy and fun way. It also includes various genres of music pieces that can be used to apply the theory.
This book contains easy-to-read large sheet music, children's favorite songs, fun activity pages, and duets to play with the teacher, so you can use it in a variety of ways without getting bored.
This is a highly useful teaching material that increases children's interest and improves their skills, as it includes cute stickers that can be used freely anytime, anywhere.