 or just set the right tone with smooth, soulful vibes from Marvin Gaye and more. It's all right here on TuneIn, ready to set the perfect 70s tone. Search Soul Groove or tell your device to play Soul Groove on TuneIn now to listen. Death of a handcuffed black man whose neck was pinned to the ground by the knee of a police officer who ignored his plea that he could not breathe.