“Jesse Engel is playing an instrument that’s somewhere between a clavichord and a Hammond organ – 18th-century classical crossed with 20th-century rhythm and blues. Then he drags a marker across his laptop screen. Suddenly, the instrument is somewhere else between a clavichord and a Hammond. ..Then he drags the marker back and forth as quickly as he can, careening though all the sounds between these two very different instruments.” Cade Metz checks out this new – what is it, exactly? – called NSynth.