2) The altitude above mean sea level. This is important for long range precision shooting because the air density changes with elevation and affects the path of the bullet. Extractor* A device that withdraws or elevates a fired shell casing or a live round from the chamber as the breech mechanism is opened.
The rebec was adopted as a key instrument in Arab classical music and in Morocco a tradition of Arabo-Andalusian music has been kept alive by descendants of Muslims who left Spain as refugees following the Reconquista.he instrument was used by dance masters until the 18th century, however, often being used for the same purpose as the kit, a small pocket-sized violin. The rebec also remained in use in folk music, especially in eastern Europe and Spain. Andalusi nubah, a genre of music from North Africa, often includes the rebec.
Djembe - A percussion instrument that I was introduced to in 2005 and the favorite of all my (non metal) percussion instruments. The body of the Djembe is generally carved out of hardwood and the Drum head made from Animal skin (hide) , most commonly used is Goatskin. The history of the Djembe is fascinating, whether you are interested in percussion or musical instruments in general. History of The Djembe. Today you can see and hear Djembes all over the world. They are most commonly played in prayer ceremonies and drum circles.