Gotye hit the Live On Letterman series last night, offering a spirited set flush with the Australian's diverse sonics and stratospheric vocals. The indie-popper visited "Eyes Wide Open," "Smoke and Mirrors," "Thanks for Your Time," "Somebody That I Used to Know" and more, before closing his almost hour-long set with "Hearts a Mess." As he soars through the set, Gotye plays percussion on an array of instruments, from an electronic drum pad and a proper drum kit to a xylophone and his own mic stand.