Melos Rosin Viola - LightMelos Rosin Viola Light is specially produced to endure the higher temperatures of spring and summer. With a softer grip on the strings, and offering silky and warm sound qualities, this rosin is designed for specifically to deliver high and medium wave frequencies efficiently. Melos Rosin is Made by a Musician for Musicians. 100% handmade to order from high quality Greek pine tree resin, this rosin is natural, fresh, and pure.