Electret Mic Breakout Board Hookup Guide
Contributors:
LightningHawk
LightningHawk 
Resources and Going Further
A quick Google search for "Electret Mic Breakout" will get you going for any type of project you may want to create. Here are a few of my favorites from Instructables.
If you need to add sound to your next project but need something a little more sensitive, robust or a little more useful, I recommend the SparkFun Sound Detector.
Documents
For more audio fun, check out these other great SparkFun tutorials:
SIK Keyboard Instrument
We can use the parts and concepts in the SparkFun Invetor's Kit to make a primitive keyboard instrument.
Little Soundie Audio Player Hookup Guide
Add sound effects to your project, prop or costume with Little Soundie Audio Player.
Spectacle Light and Sound Kit Hookup Guide
All the information you need to use the Spectacle Light and Sound Kit in one place.
Or check out this blog post for inspiration: