
Certain genres of music sound better when the bass, treble, and other frequencies can be adjusted higher or lower. If you're on the Gingerbread flavor of Android, you're in luck.
Note: This how to blog post is for users on Android Gingerbread. If you're still on Froyo or older, you'll have to grab a music player with an equalizer built-in, since you can't adjust the settings across the entire device. PowerAMP is a great app to start with for Froyo users.
Grab Equalizer from the Android Market, and open the app. You will see several preset values for different types of music. If you're not looking to do much fussing with the app, you can select...