"Are physical forces alone at work there, or has evolution begotten something more complex, something not akin to what we know on Earth as life? It is in this that lies the peculiar interest of Mars."

Next Quote

Harmonics are vibrations a fraction of the length of the vibrating string, which add higher-pitched and more complex content to the notes. With a dull instrument, the harmonics die out, but with a sustaining instrument, the harmonics continue to sound along with the fundamental note.

— Steve Albini