At a particular moment within a piece, we may hear one unaccompanied melody, several simultaneous melodies, or a melody with supporting chords. To describe these various possibilities, we use the term musical texture, which refers to how many different layers of sound are heard at once, to what kind of layers they are (melody or harmony), ad to how they are related to each other.

photography had emerged as an elite art pursued by a few creative individuals for a few wealthy patrons. but now, said bauldelaire, it was succumbing to "the great industrial madness of our times." it was becoming a mass production industry that catered to middle-class tastes, including a taste for gadgetry. the stereoscope, the first 3d imaging system, had turned looking at photographs into parlor entertainment. a "thousand hungry eyes were bending over the peepholes of the stereoscope as though they were the attic-windows of the infinite.

the answer is b. false. a fugue is a traditional form of a composition in where a part would enter after the other and uses the same theme. the music would then grow constantly in size as well as in intensity.