This is a set of 4 DVDs and CDs from Yamaha Music School's "Ongaku Nakayoshi Course." The set is divided into spring, summer, autumn, and winter, and includes songs appropriate for each season, as well as materials for moving your body to the music and activities like eurhythmics. It also includes classical music, allowing children to become familiar with the sounds of an orchestra. 【Condition】 ・There are some minor scratches. ・Playback has been confirmed, and there are no problems. Please confirm that this is the same course as your current one before purchasing. Thank you.