* Character Introduction 6
* A look at the secrets of accompaniment 7
* [Pre-learning] 8 Things to Know Before Learning the Secrets of Accompaniment
* [Goya's Dressing Room] Pop Ballad ① 16
* [Kongchigi] Major 28
* [Goya's Dressing Room] Pop Ballads ②, ③ 34
* [Kongchigi] Code change 40
* [Goya's Dressing Room] Pop Ballad④ 45
* [Banbi's Dressing Room] Pop Ballads ①~④ 54
* [Secret Notes of a Smart Person 1] Speech Rhythm 66
* [Joy Teacher Concert] 1st 75
* 90 people who helped

▶ Into the forest of practical accompaniment with Joy and Professor Jo Hee-soon!
ㆍThe legendary cumulative sales of practical accompaniment textbooks! An upgraded practical accompaniment textbook from Professor Cho Hee-soon, the world's leading accompaniment expert!
ㆍ1 bean, 2 bean, 3 bean, 4 bean, 5 bean! Master the code in one go with Kongchigi!
What items are hidden in Banbi and Goya's dressing room? A mysterious accompaniment textbook with easy-to-follow explanations!
ㆍPlay melody and chord accompaniment at the same time! You can play while singing.
Try out 'Joy Teacher Concert'!
ㆍChange your class! Good news for teachers who lack confidence in practical accompaniment! Try out a fun practical accompaniment class with Jo Hee-soon's secrets!

▶ All my favorite songs are here!
Butterfly / Medicine, rise / Thick, thick / Face drawing / Thump thump thump / How would an alien speak / Five fingers / Jingle bells / Baduk bells / Train play / Sprouts / Pick Me / Frog / Goblin panties / Round and round / Watermelon party / Little car boom boom / Cute little one / I just left them / Cinderella / Into the jungle / The round sun has risen / Wedding march, etc. A total of 36 songs are included.