Sharing the Gift of Music
An endowment accompanying rare instruments lets them be heard in performances and on recordings
- By Michael Kernan
- Smithsonian magazine, August 1998, Subscribe
(Page 2 of 4)
"I didn't get paid anything, but it was a side-by-side working experience," he told me. "Finally, I knew I needed to move on, and I came to the Museum of American History."
After a spell of volunteer work in the conservation lab, he was offered a paying job at last — a typing job. It took him 12 tries to pass the test, but he was where he wanted to be, the Division of Musical Instruments. That was 20 years ago. He's now assistant chairman for special projects at the Division of Cultural History, where those instruments reside.
But back to the Strad. I had heard all the stories: how the master used to roam the forests of northern Italy and tap on certain trees and mark them for his future use, how he invented a magical varnish that no one can duplicate — the secret of his greatness.
Sturm laughed. "Well, I'm not sure he actually went around tapping trees, but a violin maker does examine the straightness of a tree and the soil around it: a slower-growing tree is better because it makes for a tighter grain. Now all you do is go to the lumberyard. But the wood needs to be aged, and it must be quartersawn."
That is, the log is sawed lengthwise in quarters, and the top, or belly, of the violin is fashioned by joining two of these wedge-shaped pieces. When a piece is looked at edge-on, the growth rings appear as straight parallel lines. This grain gives the wood maximum strength. Otherwise, under the 70 or 80 pounds of pressure from the stretched strings and the narrow bridge, it would buckle.
The violin's sound is made by drawing the bow across the taut strings. The sound travels down to the foot of the bridge, where it is transmitted to the entire top surface of the instrument, which vibrates.
There is another element here, the sound post. This is a pencil-thick stub of wood that stands between the top and back. "The sound post transmits the vibration to the back piece, amplifying the sound still further," said Sturm. "Without the sound post you'd lose a lot of power."
About varnish: put it on too thickly, make it too brittle, and it can kill the sound of a violin.
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