Keyboard Layout
88 keys, recurring pattern of 12 white & black keys
A to G, usually begin with letter C
Black keys: sharp # if half-step above, flat b if half-step below
-No black key btw E to F, B to C
Half-step or semitone: adjacent keys
C to C#, C# to D, E to F
white to black, black to white, white to white
Whole-step or whole tone: 2 half-steps, 1 key btw them
C to D, C# to C#, E to F#, Bb to C
white to white, black to black, white to black, black to white
Octave: repeating pattern of notes on keyboard
-8 letter-name notes C, D, E, F, G, A, B,C
—First and 8th note have arithmetic relationship 2:1 in pitch frequency
—2 notes octave apart sound so similar that seems like single pitch
Octave: Pick 7 pitches AKA keys
-really 12 different pitches in a single octave
Diatonic Scales
Diatonic Scale = seven-note scale of white keys
—8th note of scale is octave above starting pitch
—Notes = scale degrees
Major Scale, major key: C to C
-C Major only one not requiring b or # to get pattern
-WW H WWW H
Minor Scale, minor key: A to A
-A minor only one not requiring b or # to get pattern
-W H WW H WW
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Keyboard Layout
88 keys, recurring pattern of 12 white & black keys
A to G, usually begin with letter C
Black keys: sharp # if half-step above, flat b if half-step below
-No black key btw E to F, B to C
Half-step or semitone: adjacent keys
C to C#, C# to D, E to F
white to black, black to white, white to white
Whole-step or whole tone: 2 half-steps, 1 key btw them
C to D, C# to C#, E to F#, Bb to C
white to white, black to black, white to black, black to white
Octave: repeating pattern of notes on keyboard
-8 letter-name notes C, D, E, F, G, A, B,C
—First and 8th note have arithmetic relationship 2:1 in pitch frequency
—2 notes octave apart sound so similar that seems like single pitch
Octave: Pick 7 pitches AKA keys
-really 12 different pitches in a single octave
Diatonic Scales
Diatonic Scale = seven-note scale of white keys
—8th note of scale is octave above starting pitch
—Notes = scale degrees
Major Scale, major key: C to C
-C Major only one not requiring b or # to get pattern
-WW H WWW H
Minor Scale, minor key: A to A
-A minor only one not requiring b or # to get pattern
-W H WW H WW
Relative Major & Minor
Chromatic Scale undifferentiated semitones in an octave
-order across keys white & black
-rarely heard
-divide an octave into 12 equal semitones
-all 12 pitches = chromatic scale
Scale = Mode
C major & A minor both use SAME 7 diatonic pitches but different start
-C major is the relative major to A minor, vice versa
Parallel Major/Minor
C major & C minor
-C major is parallel major to C minor, vice versa
-changing btw is “changing of mode”
—not a transposition
Built from different diatonic pitches, starting on the same pitch
3rd scale degree is most significant difference between major & minor scales
Staff, Clefs, Pitch
Staff
-5 horizontal lines in notation
-@ beginning is a clef indicating range of pitches
-higher on staff = higher note’s pitch
-corresponds directly to keyboard keys
Treble clef
-higher range of notes
Bass clef
-lower range of notes
Grand staff
-both clefs combined and shown
-typically how piano music is written
Rhythm and Meter
Beat
-pulse felt in music
Tempo
-speed of passing beats
Note
-actual musical sound
Rhythm
-succession of notes
-has pitch & duration
-beat provides context to make sense of it
Meter
-grouping of beats
-typically fills 1 measure
Time Signature
-begging of staff
-indicates beat grouping
-top # = how many beats per measure
-bottom # = what type of note carries beat
—4 means quarter note carries beat
Simple Meter
Duple
-alternating strong & weak beats
-2/4
Triple
-strong-weak-weak
-3/4
Quadruple
-combines 2 duple groups
-stronger first beat, lesser 3rd beat
-4/4
Rhythmic Interest
Pickup
-note or group of notes leading to the downbeat
-upbeat or anacrusis
-the incomplete measure lead in
What is Jazz?
Uniquely American
Blend of African & European American
Invention of African Americans
Tends to breathe: altering tension & relaxation
-increasing & decreasing rhythmic complexity
3 Essential Features:
-Improvisation
-Swing Feeling
-Bluesy Flavor
Swing Feeling 3 Components:
Swing 8th notes
-unevenly divide quarter note instead of equally
—first is slightly more than half, second is remainder
Abundance of Syncopations
Frequent polyrhythms
Syncopation
-accent on note unexpected or off beat
—note on 1 or 3 in 4/4 meter
-using swing 8th provides further drive forward
Polyrhythm
-combining 2+ rhythms
-increase tension in music, produce excitement & intensity
The Blues
Developed through combining earlier AA genres
-field hollers, street cries, gospel hymns
Blue Note
-don’t precisely fit in 12 note system
-notes in the “cracks”
-lowering the 3rd, 5th or 7th note of major scale by half-step
Pitch Bending
-heart of blue note
-gradual change in pitch, sliding btw notes
Blues Melodies divide 3 4-bar phrases
-AAB form
Blues predominantly more vocal than jazz
Jazz has greater harmonic & melodic complexity
Harmony
2+ pitches played together
Important in both and jazz
In Western music, based on interval of a third
Interval
-distance between 2 notes
—C to E is a third, E to G is a third
Chords
Chord
-3+ notes sounding together
Root
-if C-major, C is the ROOT
-E is third note
-G is fifth note
Seventh Chord
-add seventh note to chord
Most important harmonic scale degrees in Western Harmony
-1st, 4th, 5th notes of scales
Chord Progressions
-most common: I, IV, V, I
—12-bar form AKA 12 measures of chords of 1, IV, V most commonly used in blues
“Changes”
-how musicians refer to chord progression
Tonality
language of blues & rock-n-roll, almost all pop music
Tonal center AKA tonic
-1st note in scale
-what’s expected to hear at the end of the piece
Tonic-dominant relationship
-harmonic relationship btw 1st and 5th note AKA dominant
-I and V chords
Standard Forms & Pedal Point
Song Form
-32 bars divided into 4 8-bar phrases or sections
-AABA
—B is the bridge
Pedal Point
-repeated or sustained note
-in tonal music: on tonic & dominant pitches
—grounds musical activity to either tonic or dominant harmony
—background shit to ground action