Singer-songwriter Josh Garrels recently decided to give away five of his recent albums in exchange for an email address and zip code (for fans to learn about upcoming shows) over on Noisetrade.com. But, for those inclined to “tip”, Garrels said he would donate any proceeds to a World Relief project benefitting the Democratic Republic of the Congo. In just two weeks, along with resulting in more than 161,000 downloads, the effort also raised $71,566 for World Relief’s outreach to the African nation …