I think there's a disconnect. GM sounds have been part of the macOS since System 6 and Windows since the beginning.

There are tons of apps for both that can access these sounds. What to use depends on what you are trying to accomplish.


BIAB 2025 Audiophile Mac
24Core/60CoreGPU M2 MacStudioUltra/8TB/192GB Sequoia, M1 MBAir, 2012 MBP
Digital Performer11, LogicPro, Finale27/Dorico/Encore/SmartScorePro64/Notion6 /Overture5