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What is the broadest definition of music?

Sound organized in time

1

What is it called when composition and performance happen simultaneously?

Improvisation

2

What is required to create music?

A time frame, sound waves and a cognizant mind to perceive and interpret those sounds

3

What does the amplitude affect?

The decibel level or how loud or soft the tone is

4

What is the pitch?

The higher or lowness of the sound

5

What can a normal human ear hear?

20 to 20,000 cycles per second

6

What does orchestral musicians in the United States usually tune their instruments to?

440 hz

7

What are two kinds of music sounds?

Pitched and non pitched

8

What instruments provide most of the no-pitched sounds in music?

Percussion instruments

9

What two musicians organized instruments into four groups?

Curt Sachs and Erich von Hornbostel

10

What are the four instrumental groups?

Chordophones, Aerophones, Membranophones, idiophones and later electrophones

11

What instruments make up chordophones?

Violins, harps and guitars which have one or more strings; plucked, bowed, or struck

12

What instruments are in Aerophones?

brass and wind instruments such as horns and flutes that feature a vibrating column of air

13

What is a Membranophone?

Any instrument that has a skin or other membrane stretched across some kind of frame and the skins vibrates when struck

14

What are examples of Idiophones?

When the body of the instrument itself vibrates when struck such as bells, woodblocks and xylophones

15

What instrumental category was added after the discovery of electricity?

Electrophones

16

How did were Western musical instruments grouped before Sachs and Hornbostel?

Into families

17

What are the five families of instruments?

Strings, Brass instruments, Woodwind instruments, percussion instruments, keyboard instruments

18

What are string instruments?

Instruments that are bowed or plucked

19

What are Brass instruments?

Aerophones in which the column of air is moved by breath alone

20

What are Percussion instruments

Membranophones as well a s idiophones plus some chordophones that are struck rather than bowed or plucked such as the piano

21

What are keyboard instruments?

A fifth category of instruments with keys

22

What is among the best known early electronic instruments?

Theramin

23

How do you play a Theramin?

The performer regulates frequency with one hand and amplitude wit the other by disturbing the electrical fields that surround the protruding bars

24

After the development of electronic instrument what was the next important step in their development?

The end of the 2nd World War

25

What is musique concrete?

When electronically generated sounds and sounds produced by live instruments were recorded on tape before being manipulated into collages to be performed

26

What cities were famous postwar centers for electronic music?

Paris, Rome, Cologne and New York City

27

A single isolated musical sound has how many properties?

Four, pitch, duration, volume and timbre

28

Pitch

The highness or lowness of a sound

29

What is the musical term for the distance between A and the next higher or lower A?

An octave