Siddiqis in the Horn of Africa Siddiqis in the Horn of Africa Siddiqi () is a Muslim family name, found in the Horn of Africa, the Middle East and South Asia. Sheikh is an additional title used occasionally by Siddiqis to signify noble Arab heritage. According to tradition, people having surname "Siddiqi" are offspring of Abu Bakr Siddique (), the first Khalifa (Caliph) and an early companion and friend of the Islamic prophet, Muhammad. People claiming Siddiqi descent can be found in Djibouti, Eritrea, Somalia and Ethiopia. However, representatives in these countries are not referred to as Siddiqi, but are instead known by various local names.
German horn excessive. Although the French firm Jérôme Thibouville-Lamy in about 1928 introduced a piston-valved double-horn with ascending third valve, designed in collaboration with the horn player Louis Vuillermoz, the double horn has continued to be identified mainly as a German horn. The double horn essentially combines two instruments into a single frame: one horn in F, and a second, higher horn keyed in B. Like the single horn it has three valves, but each has a double set of tubing, the first tuned in F and a shorter set in B. By depressing a fourth valve (usually operated by the thumb),