This is a set of educational materials, including a DVD and a special audio CD, created by Mr. Tomabechi to enhance creativity, insight, and inspiration by teaching and training the "right brain language field," a new concept he developed. This is a sale of Mr. Hidetoshi Tomabechi's CD+DVD "Da Vinci Brain" with a special audio CD. The case has minor scratches, but the discs are in excellent condition without scratches. [Contents] ① Theory DVD: 3 discs Disc 1: Theory - Background of language field research, principles of linguistics Disc 2: Theory - Why the ability of the right brain language field is essential Disc 3: Practice - The world of Chomsky's linguistics, the universal grammar of the right brain, 5 steps to awaken the right brain language field, synesthetically listening, reintegrating and deciphering codes ② CD with audio of the theory and practice sections: 3 discs ③ Special audio CD: 1 disc, 4 tracks, total 61 minutes