useless trivia: What Word Means: The Dry Wind From The Andes That Blows Across The Pampas?

Questions

What are the Goldberg Variations ?

Gaspard de la Nuit refers to: ?

The "Ghost Trio" refers to: ?

A Gigue is: ?

"Sonata quasi una Fantasia", (a name given by the composer) is also known as: ?