Following the depature of multi-instrumentalist Kjartan Sveinsson, Sigur Ros has referred to working on more "agressive" material. They have begun their world tour and you can check out live videos of them performing three new tracks “Kveikur”,“Yfirborð”, and “Hrafntinna”.
“Kveikur” above "Yfirborð” and “Hrafntinna” below:
Yfirborð:
Hrafntinna: