The content you're looking for refers to the book 600 Voices for the DX7 , published by Amsco Publications in 1986 Stanford University
Strings & Orchestral: Features various violins, cellos, and ensemble patches such as Strings 1-7 and "Baltic". 600 Voices For The Dx7 Pdf
that includes detailed descriptions of how to play and express internal and cartridge voices. University of Aberdeen Usage Tips Manual Entry The content you're looking for refers to the
Archive.org: This website is a vast repository of digital content, including books, music, and software. You might find a PDF or a collection of DX7 voices there. Expand your sonic palette : Discover new and
When you download a .syx (System Exclusive) file and bulk-dump it into your synth, the machine does the work. You get the sound instantly, but you learn nothing about how it was made. When you use the "600 Voices" PDF, you are forced to engage with the architecture of the sound.