About the Bensound License:
You can use Bensound's music available under the Creative Commons License (with the black download button) in your multimedia project (online videos, websites, animations, etc.) for free as long as you credit Bensound.com.
Additional information and restrictions listed on their website.
The Internet Archive, a 501(c)(3) non-profit, is building a digital library of Internet sites and other cultural artifacts in digital form. Like a paper library, they provide free access to researchers, historians, scholars, the print disabled, and the general public.