1. Cut up an old credit card to make a pocket earbud holder.

2. Or, you know what? All you need are two fingers for perfect headphone wrapping.

3. Use MusicSmasher to find exactly what you're looking (or listening) for.

4. Layer any song with rain sounds to make it that much more peaceful.
5. Turn up the volume on your phone with a simple drinking glass.

6. Or use a toilet paper roll, which will also amplify sound effortlessly.

7. And if you want a more high-def sound, DIY this speaker for about one measly dollar.
View this video on YouTube
The first tool you'll need is a penny. Check out the rest above.
8. Make any headphones noise-canceling with just one easy add-on.
9. Build a bike stereo for more musical rides.

10. Keep your headphones squeaky clean.

11. Listen to music in the pool with a homemade waterproof speaker.

12. Craft a stereo mixer out of a basic-ass Altoids tin.

13. Make your very own cheapo WiFi radio.
View this video on YouTube
The perfect DIY for those who are especially attached to their Spotify and Rdio playlists.