After you transcribe eight bars, compare your work to known recordings. You will likely miss the suspensions (4-3 resolutions) that Evans used ad nauseam. Go back and add them.
It is important to understand the timeline of these scores. Many of Evans' greatest works were not published immediately. When Miles Ahead was released in 1957, the scores were handwritten manuscripts locked in a library. gil evans scores pdf
Once you finally get your hands on a Gil Evans scores PDF, do not just look at the top line. Here is a 3-step analysis checklist to maximize your learning: After you transcribe eight bars, compare your work