Notice how the melody moves seamlessly between different instruments. It may start in the oboe, move to a muted trumpet, and finish in the tenor saxophone.
The man stared at him. "You a writer?"
Keep in mind that some scores may be available for purchase or subscription, while others might be freely available for download.
Jazz Lines offers officially licensed, critically edited scores of many Gil Evans arrangements. Their editions, often edited by experts like Jeffrey Sultanof, are considered the gold standard for big band libraries. They offer full scores of Miles Ahead and other key albums in both physical and digital formats.