A Composer's Notebook contains 52 pages of music manuscript papers for composing music of any style, genre and forms. The bleed through design enables a landscape view when the book is open the ten staves from page to page joint through the margins of the page, seamlessly aligned. 5 blank pages insert are desigend for composers to write down creative "ideas", serving as a brainstorming space for thoughts such as motifs, themes, rythmic patters, tonality, harmonies, structures, forms, lyrics, stories. In the front a title page is presented with original image taken from the author's own composition notebook, followed by two pages of self-filled content table, which enable composers to list the titles of each composition work, thus providing an overview of the content. As a composer the author designed this notebook based on practicality, usefulness and effectiveness. This notebook is an essential part of a composer's composing process, serving as a diary where initial sketches of musical ideas are recorded and written down as a draft, which is an indispensable step before a work can be notated note-for-note into a notation software.