To the many sounds you'd expect to be produced by a forest, consider including this: the sound of the piano. The majestic "red spruce" growing in the Val di Fiemme of Italy's Dolomites has been prized by instrument makers for centuries.

To see why, "CBS Sunday Morning's" Seth Doane followed in the snowshoe tracks of an Italian forest ranger and Luca Fazioli, a second-generation piano maker. "This could be a good tree for a resonating wood," Luca told Doane.