Linkin Park has put together the site musicforrelief.org to help with relif in Haiti. The site features free downloads to an album of previously unreleased tracks from the band and others for free. All the groups ask for in exchange? Please donate , anything.

From the website:

Music for Relief has gathered incredible artists who have all generously donated original songs to support our Haiti earthquake relief effort. Artists include: ALANIS MORISSETTE, THE ALL-AMERICAN REJECTS, DAVE MATTHEWS BAND, ENRIQUE IGLESIAS, HOOBASTANK, KENNA, LINKIN PARK, LUPE FIASCO AND SLASH.

Now, we need your help: you can join in support of the immediate relief and long-term recovery process in Haiti by downloading songs at MUSICFORRELIEF.ORG and making a donation in any amount. Then, EMBED THE WIDGET on your Facebook or MySpace page, your blog, or your website…wherever you can spread the word. Please also share on Twitter and Facebook.

100% of funds received will go directly to the Haiti efforts. In partnership with the United Nations Foundation’s Central Emergency Response Fund, Habitat for Humanity, and Dave Matthews BAMA Works Haitian relief efforts, Music for Relief is working to support immediate relief with food, water and emergency medical supplies as well as long-term sustainable housing solutions for the people affected by this catastrophic natural disaster.

Donations are accepted via paypal and there is no minimum

For more information please visit musicforrelif.org