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.
Proto Pedal Example: Programmable Digital Pedal
Building a pedal around the Teensy 3.2 and Teensy Audio shield. Changing the effect in the pedal is as easy as uploading a new sketch!
Spectacle Sound Kit Hookup Guide
All the information you need to use the Spectacle Sound Kit in one place.
Analog MEMS Microphone Breakout - SPH8878LR5H-1 Hookup Guide
Get started with sound monitoring using the SparkFun analog MEMS microphone breakout board with Arduino!
Or check out this blog post for inspiration: