There is a new pull request by caioraposo against master on the void-packages repository

https://github.com/caioraposo/void-packages lmms
https://github.com/void-linux/void-packages/pull/26057

lmms: update to 1.2.2.
Patch is upstream now

A patch file from https://github.com/void-linux/void-packages/pull/26057.patch is attached