Simple notation refers to simple notation. There are two kinds of letter symbols and number symbols. It originated in France in the18th century and was improved by the Germans, so it became what it is today. The so-called music score generally refers to digital music score. The numerical notation is based on the moving roll call method, and 1, 2, 3, 4, 5, 6 and 7 represent the seven basic levels in the scale. Pronunciation is do, re, mi, fa, sol, la, ti (si in China), and English is represented by c, d, e, f, g, a, b, and the sound length name of each number is equivalent to the quarter note of the staff.
Music score refers to the combination of music score and lyrics. The lyrics are filled under the corresponding notes, and the language category is not limited. Among them, the music score can be divided into: guitar score, piano score, electronic score, accordion score, erhu score, flute score, saxophone score and guzheng score. Songs can be divided into: hymn songs, pop songs, national songs, children's songs, foreign songs, opera songs and movie songs.