The trompa de ribagorza is a

double-reed A double reed is a type of reed used to produce sound in various wind instruments. In contrast with a single reed instrument, where the instrument is played by channeling air against one piece of cane which vibrates against the mouthpiece and c ...

ed wind instrument, revived by Mariano Pascual based oi instruments preserved in

Graus Graus (, ) is a village in the Spanish province of Huesca, located in the Pyrenees at the confluence of rivers Esera and Isabena. It is the administrative capital of the region. It is one of the areas of Aragon in which is still preserved the A ...

, similar to those used in the 19th century by the pipers of Caserras del Castillo and other areas in Baja Ribagorza Oriental.

Sources

Trompa de Ribagorza
at Arafolk.net Aragonese musical instruments Woodwind instruments {{DoubleReed-instrument-stub