Music that has a random structure-for example, allowing performers to play or sing anything they want at any time-is called A. aleatory. B. indeterminate C. chance musiC. D. all of the above Reset Selection

The correct answer is D. all of the above.<br /><br />Music that has a random structure, allowing performers to play or sing anything they want at any time, is called aleatory, indeterminate, or chance music. All of these terms refer to a type of music where some elements are left to chance or the performer's discretion, rather than being strictly notated.