Those composers were considered to be Impressionists.
Explanation:
In context of Ravel's works experimenting with timbre is related with impressionism since the composer used sounds of different musical instruments in a solo compositions. This means, for example, that the sounding of quitar and piano are different. However, Ravel used such techiques that guitar sounding was used in a piano solo works. Another example is the sounds in nature. See as a reference Jeux d'eau ("Play of Water"). There is no such technical characteristic of the piano to produce the sounds of water, but Ravel reflected his impressions from its sounds and look in his piano work.
Answer:A high school principal made this statement to the school board: "Either music is not dropped from the curriculum or the students will become cultural philistines; furthermore, the students will not become cultural philistines if and only if music is dropped from the curriculum