\"Easy Code Theory Learned on Piano = It learns on a piano. Easy code theory: Difficult technical terms postponed! : Learn while playing songs and musical examples! [2023]\" Edited by Jiyu Gendai-sha Price: ¥1400 This book allows you to practically learn code theory while postponing difficult technical terms. ✔ No writing ✔ Environment without pets or smokers ✔ Has a tendency to open (please check the photos) Although there is some tendency to open due to use, the pages are in relatively clean condition. Recommended for those who want to learn code theory from now on, or those who want to study independently. For those who understand used items, thank you. #Jiyu Gendai-sha Editorial Department #Book #Art/Music/Dance