Windows Vista/7 MIDI volume - work around, or place to complain bitterly?

Seems the concept of independent volume for native MIDI doesn’t exist under Windows Vista or 7, as using MIDI volume sliders in any application that has them (including most games that use SDL_mixer) also affects the volume of digital sound output. This makes attempting to adjust the relative volume of music for comfort impossible.

Has anybody found any workarounds for this? I’m guessing it’s unlikely given how Microsoft seems to have skimped throughout the OS on any way to control the volume of individual sound devices separately._________________________________________________________________
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