There is an updated pull request by harrisonthorne against master on the void-packages repository

https://github.com/harrisonthorne/void-packages linuxsampler
https://github.com/void-linux/void-packages/pull/26677

New packages: linuxsampler, qsampler, and more
except dependencies aren't working

A patch file from https://github.com/void-linux/void-packages/pull/26677.patch is attached