The theremin, the go-to instrument for cheesy sci-fi sounds, is getting an April Fools' Day upgrade from Moog Music. The PolyTheremin, introduced to the world in Moog's prank video below, is played -- ...

With a choir, a horn section, a Theremin player and a harpist, the Polyphonic Spree is a singular act, bedecked in flowing white robes and singing songs about reaching for the sun and celebrating the ...