"Mexicans With Guns" is a pretty cool band name, but it's no "Control Machete".
Shivers.
Get more juice out of your iTunes with this custom equalizer setting (Lifehacker). It makes a huge difference in sound resonance.
Rocker Merlin Mann posts his favorite iTunes MP3 equalizer settings as recommended by Mac OS X Hints (pictured). They are:
db +3, +6, +9, +7, +6, +5, +7, +9, +11, +8 db