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Musical Techniques: Frequencies and Harmony

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en Limba Engleză Carte Hardback – 03 Mar 2017
This book is built to start from elementary and fundamental bases to the first degrees of harmony. It provides many theoretical and technical bases of music, presenting in detail relations between physics and music (harmonics, frequency and time spectrum, dissonance, etc.), physiological relations with human body and education.
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Specificații

ISBN-13: 9781786300584
ISBN-10: 1786300583
Pagini: 304
Dimensiuni: 165 x 245 x 24 mm
Greutate: 0.79 kg
Editura: Wiley
Locul publicării: Hoboken, United States

Cuprins

Preface  xiii
Introduction xv
Part 1. Laying the Foundations 1
Introduction to Part 1 3
Chapter 1. Sounds, Creation and Generation of Notes  5
1.1. Physical and physiological notions of a sound 5
1.1.1. Auditory apparatus  5
1.1.2. Physical concepts of a sound 7
1.1.3. Further information on acoustics and acoustic physiology 8
1.1.4. Idea of minimum audible gap/interval between two frequencies  16
1.1.5. Why have we told this whole story, then? 22
Chapter 2. Generation of Notes 23
2.1. Concept of octave 23
2.1.1. Choice of inner division of an octave  24
2.2. Modes of generation/creation/construction of notes  25
2.3. Physical/natural generation of notes 26
2.3.1. Harmonics 26
2.3.2. Fractional harmonics 26
2.3.3. Initial conclusions 29
2.3.4. Order of appearance and initial naming of the notes 29
2.3.5. A few important additional remarks 32
2.4. Generation of perfect fifth notes 33
2.4.1. Generation with ascending fifths  33
2.4.2. Generation with descending fifths  37
2.4.3. Conclusions on fifth–based constructions of notes  39
2.5. Important remarks on physical / fifths generation  40
2.6. Generation of tempered notes 40
2.6.1. Notion of the ear s logarithmic sensitivity 41
2.6.2. Examples of electronic generation of tempered notes  43
2.6.3. Relative gaps between tempered and electronic notes 43
2.7. In summary and in conclusion on generation of notes 46
2.8. Comparison of gaps between all the notes thus created  49
2.8.1. Note on pitch–perfect hearing or is it?  53
Chapter 3. Recreation: Frequencies, Sounds and Timbres 55
3.1. Differences between a pure frequency and the timbre of an instrument  55
3.2. Timbre of an instrument, harmonics and harmony 58
3.2.1. Relations between timbres and spectra 60
3.3. Recomposition of a signal from sine waves 63
3.3.1. Subtractive synthesis 63
3.3.2. Additive synthesis  63
3.3.3. Recreation: harmonic drawbars 64
Chapter 4. Intervals  69
4.1. Gap/space/distance/interval between two notes 69
4.2. Measuring the intervals  70
4.2.1. The savart 70
4.2.2. The cent  71
4.3. Intervals between notes  73
4.3.1. Second interval: major tone and minor tone  74
4.3.2. Major third and minor third interval 75
4.4. Overview of the main intervals encountered  75
4.5. Quality of an interval 76
4.5.1. Instrumentation  76
4.5.2. Tempo 76
4.5.3. Dynamics of amplitudes 76
4.5.4. Register  76
4.6. Reversal of an interval 77
4.7. Commas ss  77
4.7.1. Pythagorean comma 78
4.7.2. Syntonic comma 79
4.7.3. A few remarks about commas  80
4.7.4. Enharmonic comma  80
4.7.5. Other theoretical commas and a few additional elements 80
4.7.6. Final remarks 82
4.7.7. In summary, commas and C°  83
Chapter 5. Harshness, Consonance and Dissonance  85
5.1. Consonance and dissonance 85
5.1.1. Consonant interval  85
5.1.2. Dissonant interval 86
5.2. Harshness of intervals 86
5.3. Consonance and dissonance, tension and resolution of an interval  87
5.3.1. Consonance of an interval  87
5.3.2. Dissonance of an interval 89
5.3.3. Savarts, F, consonance, pleasing values or beating of frequencies  90
Part 2. Scales and Modes 93
Introduction to Part 2 95
Chapter 6. Scales  97
6.1. Introduction to the construction of scales  97
6.2. Natural or physical scale 98
6.2.1. Harmonics 98
6.3. Pythagorean or physiological diatonic. scale  100
6.3.1. Principle  100
6.3.2. The why and wherefore of the 7–note scale 101
6.3.3. Names of the notes in the Pythagorean scale  104
6.3.4. The series tone–tone–semi/ tone–tone–tone–tone–semi/tone ?  105
6.3.5. A few comments 106
6.3.6. Uses of the Pythagorean scale, and cases where it cannot be used  107
6.4. Major diatonic scale  108
6.4.1. Intervals present in a major scale  108
6.5. The other major scales 109
6.6. Scales and chromatic scales  109
6.6.1. Chromatic scale  110
6.6.2. Chromatic scales 110
6.7. Tempered scale  114
6.7.1. Principle of the tempered scale 114
6.7.2. Comparisons between physical, Pythagorean and tempered scales  115
6.8. Other scales  117
6.9. Pentatonic scale  117
6.9.1. A little history, which will prove important later on  117
6.9.2. Theory 118
6.9.3. Reality 120
6.9.4. Relations between major and minor pentatonic scales 123
6.9.5. Pentatonic scale and system 124
6.10. Blues scale 125
6.11. Altered scale and jazz scale 126
6.12 Tone–tone (whole–tone) scale 127
6.13. Diminished scale or semitone/tone scale 128
6.14. In summary  128
6.15. Technical problems of scales  129
6.15.1. Scale and transposition 130
6.15.2. Alterations  132
Chapter 7. Scales, Degrees and Modes  135
7.1. Scales and degrees 135
7.2. Degree of a note in the scale 136
7.3. Interesting functions/roles of a few degrees of the scale  136
7.4. Modes  137
7.4.1. The numerous modes of a major scale 138
7.4.2. The original minor modes and their derivatives  142
7.4.3. A few normal modes 143
Part 3. Introduction to the Concept of Harmony: Chords  145
Introduction to Part 3 147
Chapter 8. Harmony  149
8.1. Relations between frequencies  149
8.2. How are we to define the concept of harmony? 150
Chapter 9. Chords 151
9.1. The different notations  151
9.1.1. Convention of notations for notes  151
9.2. Chords 152
9.3. Diatonic chords  153
9.3.1. Diatonic chords with 3 notes: triads 154
9.3.2. 4–note diatonic chords known as seventh chords   155
9.4. Fourth–based chords 157
9.4.1. Convention of notations of the chords 157
9.5. Chord notations  158
9.5.1. In the major scale 159
9.5.2. In minor scales  161
9.5.3. Scales and chords 166
9.5.4. List of common chords  169
9.5.5. Table of frequently used chords 171
9.6. What do these chords sound like? 173
9.6.1. In statics  173
9.6.2. In dynamics  173
9.7. Temporal relations between chords 174
9.8. Melody line 175
9.9. Peculiarities and characteristics of the content of the chord 175
9.10. Relations between melodies and chords  175
9.11. The product of the extremes is equal to the product of the means 176
Part 4. Harmonic Progressions 179
Introduction to Part 4 181
Chapter 10. Some Harmonic Rules 183
10.1. Definition of a chord and the idea of the color of a chord 183
10.1.1. Notations used  183
10.1.2. Equivalent or harmonious chords 184
10.2. A few harmonic rules  184
10.2.1. The eight fundamental syntactic rules 185
10.2.2. Rules of assembly  186
10.2.3. Next steps  187
10.2.4. Descending chromatism rule  188
10.2.5. Justifications of the eight harmonic rules by descending chromatism  190
10.3. Conclusions on harmonic rules 193
Chapter 11. Examples of Harmonic Progressions 195
11.1. Harmonic progressions by descending chromatism  195
11.1.1. Example 1  195
11.1.2. Example 2  196
11.1.3. Example 3  197
11.2. Codes employed for writing progressions 198
11.2.1. Key changes in a progression  199
11.2.2. Detailed example of decoding of progressions  202
11.3. Hundreds, thousands of substitution progressions 204
11.3.1. Major scale, the best of 204
11.3.2. List of harmonious progressions  206
11.4. Chromatism in standards 213
11.5. Families of descending chromatisms  214
11.5.1. Family: 1 chromatism at a time 215
11.5.2. Family: up to two descending chromatisms at once   217
11.5.3. Family: up to 3 descending chromatisms at once 220
11.5.4. Family: up to 4 ascending and descending chromatisms at once 220
11.5.5. Conclusions 225
Chapter 12. Examples of Harmonizations and Compositions 227
12.1. General points  227
12.2. Questions of keys 228
12.3. Example of reharmonization  228
12.3.1. Blue Moon (by Lorenz Hart and Richard Rodgers)  229
12.3.2. Summertime (by G. Gershwin) 239
12.3.3. Sweet Georgia Brown (by Bernie, Pinkard and Casey) 243
12.4. Example of harmonization  247
12.4.1. Madagascar (by Serge Sibony) 247
12.5. Conclusion  252
Conclusion 253
Appendix 255
Glossary 273
Bibliography 279
Index 281