Note book has multiple sides, on which notes of music track are provided, and note sheet provided for each note set, where note sheets has multiple sides

摘要

The note book (10) has multiple sides (18), on which the notes of music track are provided, where a note sheet (20) is provided for each note set. The note sheets are provided with multiple sides, which are connected with each other. The sides are focused according to the length of the note set. The note sheets are connected with back of book (12) of the note book.