Part of the D’Addario family, the global leader in musical instrument accessories, the Evans brand is synonymous with quality and consistency. Decades ago, Evans was the pioneer of drumhead manufacturing and design, and today they are the innovators. The Evans System Blue tenor series was developed in collaboration with the DCI World Championship winning corps The Blue Devils. Featuring a unique combination of 7mill and 7.5 mill film, the System Blue series offers enhanced attack, tonal clarity and projection with increased durability and tuning stability.