Savage Lands, the conservationist project launched by Dirk Verbeuren (Megadeth) and Sylvain Demercastel, have premiered a new video for their new song “Black Rock Heart.” That track features Chloe Trujillo and Kai Hansen (Heilung) and 100% of the royalties from it will go towards the non-profit’s preservation efforts in Costa Rica. Demercastel had the following…