Concrete Music -- See Musique concrète Here are entered works in which the sounds produced were originally recorded from natural sounds and subsequently rearranged or altered. The heading is used as a second heading when the recorded sounds are used with a specifically named medium of performance, e.g. 1. Quintets (Clarinet, flute, harp, viola, cello); 2. Musique concrète.
Concrete Protective Coatings -- See Concrete coatings Here are entered works on the protection of concrete from deterioration. Works on the use of cement as a coating to protect other materials are entered under the heading Cement coating.