Orchestral percussion as trivial or unimportant simply because, to the untrained eye (or ear), they seem easy to play. The truth is, however, that auxiliary percussion often requires the most use of extended techniques and that the parts for these instruments are frequently the most difficult. Other auxiliary percussion instruments include: Crash cymbals have been used in an orchestral setting since the time of Mozart, when he adopted their sound from traditional Turkish bands to be used in his opera "Abduction from the Seraglio". Since then, crash cymbals have become one of the most written for percussion instruments in classical music and
Seraglio Istanbul. The term can also refer to other traditional Turkish palaces—every imperial prince had his own—and other grand houses built around courtyards. In modern Italian the word is spelled "serraglio". It may refer to a wall or structure for containment, for example of caged wild animals; or for defence, such as the Serraglio of Villafranca di Verona, a defensive wall built by the Scaligeri. The ghettoes established in many Italian cities following the promulgation by Pope Paul IV in 1555 of the papal bull "Cum nimis absurdum" were initially called "serraglio degli ebrei", "enclosure of the Jews". The Seraglio is