A form of instrumental composition with a free structure and improvisational characteristics; specifically, one combining a number of well-known musical pieces.
A traditional festival of the inhabitants of the Maghreb (in northwest Africa) featuring exhibitions of horsemanship.
Any work which is unstructured or comprises other works of different genres or styles.
To cause to appear as or like a mirage.
An optical phenomenon in which light is refracted through a layer of hot air close to the ground, often giving the illusion of a body of water.
An illusion.