Opera stars know that biology is destiny. Sometime in their 50s or early 60s, the powerful, flexible and ultimately mysterious instrument that has been the source of their artistry frays, cracks and disappears.

Just build a classic horseshoe of wood and plaster, and fill it with statuary and curtains, then sit back and savor the beautifully blended results.

Opera stars know that biology is destiny. Sometime in their 50s or early 60s, the powerful, flexible and ultimately mysterious instrument that has been the source of their artistry frays, cracks and disappears.

It's just a matter of time before we're late.