Free on Amazon

Right now on Amazon, you can get these songs for free by download. I have not personally listened to these songs yet, so I cannot vouch if they are appropriate for all ages or are done in a tasteful manner.

Amazon Sampler
Smile Smile Smile
Eagle Records Live at Montreux 2009 Sampler [Explicit]
Tomorrow's Stars From Sxsw
This Love Is Gonna Last
Real Life
Mushroom Men
Everything'll Be Alright
Searching
Wait For Me
Pasilda (Atfc Remix)

There are well over 200 other songs available for free download here