Works in this book are written by Che Xing, and composed by Qi Jianbo. The whole set consists of a numbered notation book of 20 melodies, a collection of 20 chorus with piano accompaniments, attached music in the forms of two CDs and one USB flash disk. The 20 works, written with profound significance and magnificence in elegant and various styles, recall the representative, exemplary deeds of the Communist Party of China over the century since its founding, showing the confidence, high spirit and vigour of Chinese People in this new era. It aims at inspiring and uniting the readers.