Who says whats frequency is good for what music?
Who is to say your subwoofers Fs is lower than 32 Hz? Its possible...
What about roll off?
Sure, tune your stuff 42+ Hz. Watch them subs unload on anything much below 36 Hz... Blow them babies up...
Its more than just picking a number. You need to know the issues behind the frequency you are choosing. You also need to know the consequences, which many people lack. If you tune high, you BETTER have a subsonic filter!