acadec music - section 1

Music

Sound organized in time

Sound

A wave of energy

Amplitude

Loudness of a sound

Frequency

pitch of a sound

Two kinds of musical sound

pitched and non-pitched

Four instrument Groups

Chordophones, Aerophones, Membranophones, Idiophones

Chordophones

Strings

Aerophones

Woodwinds and Brass

Membranophones and Idiophones

Percussion

Électrophones

Instruments using oscillators, dependent on electricity

Categorized Instruments

Curt Sachs and Erich von Hornbostel

Instrument Families

Strings, Woodwinds, Brass, Percussion, Keyboards

Theremin

Earliest electronic instrument

Postwar centers for electronic music

1. Rome

2. Paris

3. Cologne

4. NYC

Distance between notes

Interval

Distance between higher/lower version of same note

Octave

Distance between two adjacent keys

Half step

Distance between every other key

Whole step

Staff

Ladder to indicate musical pitch

Clef

Key for reading the staff

Treble Clef

Indicates that the second line from the bottom of the staff is G

Bass Clef

Indicates the fourth line from the bottom of the staff is F

C Clef

• Movable clef

• When C = middle line: alto clef

• When C = fourth line from bottom of the staff: tenor clef

Grand Staff

Two bracketed staves used in piano music

Fundamental

Lowest A

Presence of higher pitches

Partials, overtones