Antonyms of James Blunt could be many depending upon the context. From a musical perspective, antonyms for James Blunt could be heavy metal, hip hop, or rap genres. On the personality front, James Blunt is often known for his serious demeanor, so antonyms could be playful, humorous or carefree. His music is also known for its melancholic and emotional nature; hence, antonyms for his music can be upbeat, joyful, and positive. In terms of his voice, antonyms for James Blunt could be a deep, raspy, or rough voice. Overall, the antonyms for James Blunt could vary depending upon the specific aspect of his music or personality that one is referring to.