the Abacus

Kristina Warren performs solo on the Abacus, a next-generation musical instrument she designed. Photo by Amy Jackson

Composer Kristina Warren channels vocal technology into art

The human voice is an extraordinary thing. Even the softest, quietest sound is no small feat to produce. Here’s how it works: The lungs pump air through the trachea (windpipe) and into the larynx, where the vocal cords are located. The air makes the vocal folds—multilayered folds of tissue—vibrate, and they alternately trap and release […]