Hi, now that Foobar2000 has its equalizer, why don't you add an auto equalizer by genre label on the ID3?
You can preset several genres and so it can auto equalize.
I have an App that does so, is Equalizer, by Smart Android Apps
I supose you Will do a much better auto equalizer that they
But it doesn't Works with Foobar2000, but does wit other players as Player pro, but I do not like the sound as Foobar2000.

My best regards