A freak-folk tribute to Madonna is on its way, this summer sees her involvement in the Gore-curated, Geldof-slammed Live Earth spectacle, and today the material mom releases a single in celebration of the vaguely environment-saving celebration. A renaissance for Madge? Download the Pharrell-produced track for free at liveearth.msn.com and think again. "Hey You" < Au. But 25¢ from the first ...