Bon Iver live in concert from The 9:30 Club. Mito Habe-Evans/NPR hide caption

itoggle caption Mito Habe-Evans/NPR

Bob Moog, namesake of the annual Moogfest music festival in Asheville, N.C.

Courtesy of the Bob Moog Foundation hide caption

itoggle caption Courtesy of the Bob Moog Foundation

The Olivia Tremor Control live at Le Poisson Rouge in New York City. Ryan Muir for NPR hide caption

itoggle caption Ryan Muir for NPR