WUSSUP PUMPKINS IF U NEED STUDY MUSIC LOOK UP "SUNIX UNVEILED" ON YOUT. UBE BYE​

If your choices are: -cropping  -anti-aliasing-imperfection-contrastdownsampling is done to decrease the bit rate when transmitting over a limited bandwidth or to convert to a more limited audio format. this is the opposite of upsampling. so the answer is contrast.

Ibelieve the answer is  a. 

Genre- a category of artistic composition as in music or literature, marked by a distinctive style, form, or content.

harmony- the sounding of two or more musical notes at the same time in a way that is or desired.

melody- the “beat” of music; the regular pattern of long and short notes.

rhythm- a rhythmical succession of single tones producing a distinct musical phase or idea.

symphony- a concert performed by a symphony orchestra.

prelude- a piece of music played as an introduction to the main piece.

atonal- lacking a tonal center or key; characterized by atonality.

What piece? you haven't added one