Blog (24)

FAQ: How do you tune the three lower strings ? ANSWER: I have found an easy way to solve the "problem", using, for exemple, 15 steel strings. The three strings of equal lenght first: d' 0.14 e' 0.12 f' 0.10 Consequently, the other strings divided…

POLYPHONIC SYMPHONIA The idea of a polyphonic keyboard on wheel instruments derives from my studies about 12th century Organistrum. ( https://www.liuteriaseverini.it/index.php?option=com_k2&view=item&id=42:inquiry-into-a-troubling-problem-of-interpretation-analysis-of-possible-solutions&Itemid=1014 This same model is suitable for the small wheel instruments depicted in XIII and XIV paintings and sculptures. The three strings are tuned to…

I got two pieces from the same plank of Fir The first one to be front-carved the usual way. I cut a slice to be used as sound board. The second one, upside-down, to be back-carved. I cut a slice to be used as back…

Symphonia / Organistrum keyboard in Santiago de Compostela cathedral. (Inquiry into a troubling problem of interpretation. Analysis of possible solutions.) FOREWORD In former articles, I wrote both about different aspects of this problem and about practical means to build a replica of the instrument in…

Describing 3 different interpretations of “TWO MEN LYRE” keyboard from Gate of Glory of Santiago de Compostela cathedral and their efficiency. Agreed that the instrument has 3 strings and 11 keys The “chromatic/parallel” keyboard has 12 one-way “up and down” keys with 3 tangents each…

Symphonia / Organistrum della cattedrale di Santiagio de Compostela DIVISIONE E FUNZIONAMENTO DELLA TASTIERA (Indagine su un caso di difficile interpretazione e analisi delle soluzioni possibili.) PREMESSA In precedenti articoli ho presentato diversi aspetti della ricerca su questo problema, nonché soluzioni pratiche per la ricostruzione…

A new possible method in medieval instruments making. The reconstruction of a Cetra from XII century sculpture by Benedetto Antelami in Parma Baptistery, Carving the instrument “back to front” in one piece of Fir Refining carefully the soundboard inside and outside, following a curved profile…

El 2 de julio ha sido reabierto el Pórtico de la Gloria a Santiago de Compostela. Este extraordinario documento non para de nos maravillar. Fue evidenciada la POLICROMIA del portal aportando a todo el edificio una nueva luz resplandeciente. Al mismo tiempo, NUEVOS estudios ha…