Podsafe Music

I wanted to find some music for the beginning and end (intro and outro) of this podcast. I wanted it to be:

It sounded like easy requirements, until I started to research. There are lots of permutations of "free" and "free to use".

Definition of Terms

Podsafe Music
Music that is specifically free to podcasting. It might or might not be free for use in radio, television, or personal use.
Public Domain Music
Music and lyrics published in 1922 or earlier are in the Public Domain in the United States. No one can claim ownership of a song in the public domain. Recordings of the songs are copyright protected however.
Creative Commons Music
Creative Commons is system that allows you to legally use "some rights reserved" music for free under certain conditions. Creative Commons licensed music isn’t free for all uses, only some — so make sure to check out the terms.
Free music.
Free music is either in the public domain or licensed under a free license.  Free music can freely be copied, distributed and modified for any purpose.  Free means it is free to use, and does not mean no cost. There might be a fee.

Places to find Podsafe Music

Royalty free music! It is free to use under creative commons.
I also make royalty free music which I am very excited to share! It is free to use under creative commons.
BlogTalkRadio provides some resources for royalty-free or podsafe music to download.
The Music Bakery
The mood pieces look good. A few seconds of inspirational or uplifting music.
Bright Future | High Spirits | Cyber Future | Global Energy
Steady Progress | Motivational Jazz | Global Connections
Audio Bag
Instead of introducing yourself, let us introduce you in a podcast intro. You'll gain instant credibility and impress your listeners.
Not free, but lots of selections. Good search by theme, mood, etc.
See "Bright Big Fun and Bouncy"
Music Tracks Library
Juh-Tah Beat
Taiko Drums
Royalty Free Classical Music
Brandenberg Concerto

Music on the Web

Creative Commons Music
You’ve probably heard a number of different terms when talking about rights to use music, so what do they actually mean?
Guide to Music on the Web - Part I
This is a list of services that you can use over the net without the need to download anything to your computer.
Guide to Music on the Web - Part II
A tour of music search engines, Web players, ways to share music on Twitter, and music mixing apps.

Information about Intros and Outros

I - ABC of Podcasting: Intros and Outros
Overview and Guidelines for Podcast Intros and Outros