Merch › Harmonic Convergence Medusa Shirt Image 1 of 2 Image 2 of 2 Harmonic Convergence Medusa Shirt $25.00 Harmonic Convergence Album art on Oxblood Black T-shirt. Design by Bri Martinsen. Printed on Unisex Bella + Canvas 3001. Size: S M L XL 2XL 3XL 4XL Add To Cart Added! Harmonic Convergence Album art on Oxblood Black T-shirt. Design by Bri Martinsen. Printed on Unisex Bella + Canvas 3001.