If you are looking for the absolute best, most accurate "pro-grade" scores, is the primary source. They work directly with the Gil Evans estate to produce authorized editions.

Features his famous "closed voicings" with bass flute and bass clarinet. Look for a PDF that clearly shows the bass clarinet doubling the tuba at the octave. Best source: Jazz Lines (Paid).

Gil Evans was not just a jazz arranger – he was an . His scores read like tone poems, with every instrument carefully placed for maximum colour and emotional impact. Studying them reveals:

: A reimagining of Gershwin that used modal sketches rather than traditional dense charts. Sketches of Spain (1960)

by Evans. It is an invaluable resource for researchers looking for the original, unfiltered magic of his handwriting. Master of the "Cool": The Art of Gil Evans