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Drafting Instrument Plans

Drafting Instrument Plans

by Ted Davis

from his 1984 GAL Convention lecture

Originally published in American Lutherie #4, 1985 and Big Red Book of American Lutherie Volume One, 2000



I feel that for every 1% I put into the Guild, I get back about 120%. And I’m very high on the plan series. It’s an opportunity for repairmen and builders to preserve information about some instruments that would otherwise be lost. By making these plans available to more people, even if they don’t build them, they will see what they look like and what they are. Of course, you will also have the opportunity to build replicas of these fine old instruments. Many of them have historical value, and many of them have monetary value.

I’m sure there are a lot of “neophyte” luthiers in the audience today that would like to contribute to the Guild’s publications but just don’t feel they have the experience. Well, here’s something you can do. I’m sure you know someone that has a fine old instrument that’s a collector’s item, or perhaps you have one yourself, or perhaps the repairman will have one come into his shop. Take a few hours, take the dimensions of it, sketch it, and you can draw it at your leisure.

Drawing an instrument plan is not all that difficult, but it is time consuming. You’ll spend ten, twelve, maybe fifteen hours or more on your first one.

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Brazilian Guitar Makers

Brazilian Guitarmakers

by Roberto Gomes

Originally published in American Lutherie #33, 1993 and Big Red Book of American Lutherie Volume Three, 2004



The guitar has been the main musical instrument in Brazil since it was brought by the Portuguese colonizers centuries ago. In those times, Baroque guitars were the most common string instruments. They had five courses of gut or wire strings. Since then it hasn’t changed much, as we can see in the “Brazilian viola” which is used for a kind of Brazilian country music called musica sertaneja (countryside music). The shape of the soundbox of this viola today resembles more a small classic guitar. Unfortunately there are very few records of those times, making it difficult to make a better study of those guitars and their makers. It’s known that most of the instruments were made in Portugal, Italy, and France.

The first decade of this century brought three immigrant families from Italy: the Gianninis, the DiGiorgios, and the DelVecchios. These families were luthiers in their country of origin and later they founded the main Brazilian guitar factories which became the backbone of Brazilian-made guitars for nearly eighty years. They made mostly classic guitars and some violins, along with Brazilian violas. They also made mandolins, first with vaulted backs like lutes and later with flat backs, which are used to play choro music.

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The Trio Romantico and the Requinto

The Trio Romántico and the Requinto

by C.F. Casey

previously published in American Lutherie #89, 2007



Picture it: You’re sitting in an open-air courtyard, perhaps in Guadalajara, perhaps in San Juan, perhaps in Buenos Aires. Your surroundings are lit only by the candles on the tables and the stars above. The air is like a caress on your skin. Across from you sits someone you care about very much.

Nearby, in the semi-darkness, a small group wanders from table to table. You hear voices in close harmony, singing in Spanish, singing of love. Two guitars throb in the rhythm of a bolero or a tango. And above, between, and around the words, a third guitar pours out cascades and arabesques of clear, shimmering notes.

As the song ends and the group moves on, you gaze through the candle light, deep into the eyes of your companion, and say:

“I’d love to get a closer look at that lead guitar; it’s got a really unique sound. Maybe I could get my inspection mirror inside it and get a look at the bracing.”

We can’t help it: we’re luthiers.

You were listening to the sound of a trio romántico, and the lead instrument was a requinto, a smaller version of the regular nylon-string guitar, tuned a perfect fourth higher (ADGCEA).

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The Colombian Andean Bandola

The Colombian Andean Bandola

by Luis Alberto Paredes Rodríguez and Manuel Bernal Martínez

previously published in American Lutherie #96, 2008



The Colombian Andean bandola is a transcultural product similar to plectrum-played antecedents from Asia and Europe. It is a 12-string, 6-course soprano instrument with “flat” top and back, and is the solo melodic instrument in the Colombian Andean quartet, which consists of two bandolas, a tiple (see Big Red Book Volume Seven, previously published in AL#82), and a classical guitar.

The name “bandola” comes from the old Persian-Arabic word pandura. Derived from the name of the European lute, the word refers to a great variety of instruments of medium and high register with melodic functions. The direct ancestor of the bandola is the guitar through the Spanish bandurria and the soprano guitars, and which after taking its form in Colombia during the 19th and 20th centuries, continues to undergo transformations in its morphology and usage.

The Colombian Andean bandola has two developmental lineages: on one hand, the denomination line which makes reference to its name, and on the other, the construction line which makes reference to its morphological features (Bernal, 2003). The name of the bandola comes from the pandura (known since the 10th century) following the European lute, and one of its families known as the “mandoras family.” These 4- to 6-course instruments with thin bodies had a variety of pitches (a mixture of perfect fourths and fifths) and scale lengths ranging between 37CM and 42CM. By the year 1700, the mandolines emerged in Italy when the size of the mandola was reduced, prevailing and persisting in Italy in two different models: the Milanese mandoline with a thin, slightly arched body, and six courses of either gut or metal strings tuned in perfect fourths; and the Neapolitan mandolin with a bowl back body, a cranked (bent) soundboard just where the bridge is placed, four courses of metal strings tuned like a violin, and strings fastened to the end of the body by way of a tailpiece. The scale for both models is about 32CM to 34CM. In the 18th century, mandolins began to be manufactured with flat or slightly arched sides and back, especially in France, Germany, and Portugal.

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Review: The Guitar of Andres Segovia Hermann Hauser 1937

Review: The Guitar of Andres Segovia Hermann Hauser 1937

Reviewed by Tom Harper

Originally published in American Lutherie #83, 2005 and Big Red Book of American Lutherie Volume Seven, 2015



The Guitar of Andrés Segovia Hermann Hauser 1937
Liner notes by Richard Bruné and Don Pilarz
Produced by Dynamic S.r.l., Genova, Italy
Dynamic catalog number CDS 433

Wouldn’t it be great to have in one source working drawings, textual explanations, photographs, and recordings of one of the most important instruments ever built? Dynamic’s offering does exactly this. Richard Bruné, Don Pilarz, and the Metropolitan Museum of Art collaborated to create a definitive description of Andrés Segovia’s famous 1937 Hauser guitar. The result is a boxed set containing a multilingual pamphlet (Italian, English, German, and French), three sheets of full-scale working drawings, a full-length audio CD of Segovia playing the instrument, and a poster. All this fits into a box that is about 6" × 9" × 3/4".

The pamphlet describes Segovia’s challenges to establish the guitar as a serious classical instrument, the requirements for the instrument, technical details about it, and its physical state. One also gets a sense of Hermann Hauser as a builder. It is clear that he did not create great instruments by accident or luck. There are also almost thirty color photographs that display important details of the outside and inside of the instrument that are very useful to a builder wanting to create a Hauser-style instrument. The writing is clear and concise and provides construction details that I have not seen elsewhere.

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