Antony Gormley's Asian Field is a vast <u>installation</u> artwork made up of small clay figures.
Installation art refers to large-scale art, where various constructions are used in order to transform certain spaces in imaginative ways. Usually, these constructions are really extensive, which is also the case here with this artwork - you can see it in the photo below.
A drummer may use the snares I think so
Self-publishing is the publication of media by its author without the involvement of an established publisher. The term usually refers to written media, such as books and magazines
The correct answer would be [ vocal improvisation ]
I hope this helps!!!