Multi-Grammy Award winning hitmaker, Murda Beatz announces the signing of his first artist BlakeIANA in partnership with 300 Entertainment. Along with the signing, BlakeIANA debuts her first Murda Beatz produced single “Gahdamn” which comes with an accompanying music video – out now via 300 Entertainment. Watch the music video for “Gahdamn” here. Murda Beatz discovered BlakeIANA via social media and introduced her to 300’s Co-Presidents, Rayna Bass and Selim Bouab earlier …