EMA flirts with chaos.
Erika M. Anderson, who records as EMA, grew up in South Dakota. Her great-great-grandparents, dairy farmers who emigrated from Scandinavia to the Midwest, probably would not recognize the world today, with its Oculus Rift virtual-reality headsets and its online identities. But they would recognize the spirit of Anderson’s music, a half-electronic, half-organic project that has the feel of someone trying to figure out the world, using all the tools at hand. “The Future’s Void,” her new album, sprawls and pulses, as much like unpredictable weather as like music. (On its cover, Anderson is actually wearing an Oculus Rift headset.)
Improvisation is everywhere. When the drums sound big and echoey, they’re probably V-Drums, electronic pads that trigger samples of drum sounds. When Anderson’s vocals are most fevered,…