This is the #1 source. Jazz Lines has painstakingly restored and engraved the Gil Evans/Miles Davis collaborations. They offer instant digital delivery (PDF) of the complete scores.
Evans was famous for his "motley crew" instrumentations, frequently replacing the standard jazz palette with orchestral colors like the French horn, tuba, and bassoon. His scores for the Claude Thornhill Orchestra and later for Miles Davis on albums like Miles Ahead Sketches of Spain
The "best" score, therefore, is rarely free. It is often the officially licensed study score, usually requiring purchase, or a high-resolution archival scan found only in university music libraries (the "special collections" section). gil evans scores pdf best
(from Birth of the Cool ): A masterclass in dense, slow-moving block chords.
Many free sites offer lead sheets (melody and chords). For Gil Evans, you need the full orchestral score to understand the inner workings of his harmony. This is the #1 source
For any serious student of jazz orchestration, the name represents the pinnacle of the craft. His ability to transform a standard big band into a shimmering, impressionistic soundscape—often blending jazz harmonies with classical textures—changed the trajectory of music.
Once you download the file, do not just listen while following along. Reverse engineer it. Evans was famous for his "motley crew" instrumentations,
Unlike the ubiquitous Real Book, which has been photocopied and digitized into oblivion, Evans’s work is protected by a fortress of copyright held by his estate and publishers like G. Schirmer. You won’t find the full, meticulously transcribed scores of Miles Ahead sitting openly on a university server in the way you might find a Beethoven symphony.