Show off your musical wit with this unique t-shirt! The shirt features a clever formula, "e = f♭b", a playful take on the theory of relativity for musicians. Made from a comfortable-looking dark fabric, this tee is ideal for everyday wear, band practice, or music-themed events. Its simple design makes it easy to pair with any outfit, while the humorous graphic is sure to spark conversations with fellow music lovers. This tee is a fun and stylish way to express your passion for music and theoretical physics.