Preface |
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xi | |
Acknowledgments |
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xv | |
Introduction |
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xvii | |
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1 | (32) |
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1.1 Musical Notation and a Geometric Property |
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1 | (8) |
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1.1.1 Duration: Geometric sequences |
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2 | (2) |
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1.1.2 Dots: Geometric series |
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4 | (5) |
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9 | (8) |
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10 | (3) |
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1.2.2 Rhythmic repetition |
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13 | (4) |
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17 | (11) |
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1.3.1 The least common multiple |
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19 | (3) |
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22 | (6) |
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1.4 A Connection with Indian Classical Music |
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28 | (5) |
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31 | (2) |
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2 Introduction to Music Theory |
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33 | (48) |
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34 | (7) |
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34 | (3) |
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37 | (4) |
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41 | (14) |
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42 | (2) |
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44 | (1) |
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45 | (4) |
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49 | (1) |
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2.2.5 Why are there 12 major scales? |
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50 | (5) |
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55 | (9) |
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2.3.1 Major and perfect intervals |
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56 | (1) |
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2.3.2 Minor intervals and the tritone |
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57 | (2) |
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59 | (5) |
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2.4 Tonality, Key Signatures, and the Circle of Fifths |
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64 | (17) |
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2.4.1 The critical tonic-dominant relationship |
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65 | (2) |
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67 | (2) |
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2.4.3 The circle of fifths |
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69 | (3) |
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72 | (2) |
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2.4.5 The evolution of polyphony |
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74 | (5) |
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79 | (2) |
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81 | (38) |
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81 | (3) |
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3.1.1 The magnificent ear-brain system |
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82 | (2) |
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84 | (4) |
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3.2.1 Loudness and decibels |
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84 | (2) |
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86 | (2) |
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88 | (9) |
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89 | (2) |
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91 | (3) |
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3.3.3 The harmonic oscillator |
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94 | (3) |
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97 | (18) |
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98 | (6) |
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104 | (1) |
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3.4.3 The overtone series |
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105 | (2) |
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3.4.4 The starting transient |
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107 | (1) |
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3.4.5 Resonance and beats |
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108 | (7) |
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3.5 The Monochord Lab: Length versus Pitch |
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115 | (4) |
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118 | (1) |
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119 | (46) |
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4.1 The Pythagorean Scale |
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119 | (8) |
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4.1.1 Consonance and integer ratios |
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120 | (2) |
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4.1.2 The spiral of fifths |
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122 | (2) |
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4.1.3 The overtone series revisited |
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124 | (3) |
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127 | (6) |
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4.2.1 Problems with just intonation: The syntonic comma |
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129 | (2) |
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131 | (2) |
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133 | (8) |
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4.3.1 A conundrum and a compromise |
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133 | (2) |
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4.3.2 Rational and irrational numbers |
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135 | (3) |
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138 | (3) |
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4.4 Comparing the Three Systems |
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141 | (3) |
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144 | (14) |
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4.5.1 An ingenious construction |
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145 | (4) |
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4.5.2 Continued fractions |
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149 | (6) |
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4.5.3 On the accuracy of Strahle's method |
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155 | (3) |
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4.6 Alternative Tuning Systems |
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158 | (7) |
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4.6.1 The significance of log2(3/2) |
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158 | (1) |
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159 | (2) |
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4.6.3 Other equally tempered scales |
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161 | (2) |
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163 | (2) |
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165 | (38) |
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165 | (17) |
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5.1.1 Symmetric transformations |
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166 | (3) |
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169 | (4) |
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173 | (9) |
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5.2 The Bartok Controversy |
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182 | (9) |
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5.2.1 The Fibonacci numbers and nature |
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183 | (1) |
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184 | (1) |
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5.2.3 Music for Strings, Percussion and Celesta |
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185 | (6) |
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191 | (12) |
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5.3.1 Some examples of groups |
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192 | (1) |
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5.3.2 Multiplication tables |
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193 | (2) |
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5.3.3 Symmetries of the square |
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195 | (2) |
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5.3.4 The musical subgroup of D4 |
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197 | (4) |
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201 | (2) |
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203 | (26) |
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6.1 Basic Theory, Practice, and Examples |
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203 | (13) |
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204 | (1) |
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205 | (3) |
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208 | (2) |
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6.1.4 The number of permissible moves |
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210 | (1) |
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6.1.5 Example: Plain Bob Minimus |
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211 | (2) |
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6.1.6 Example: Canterbury Minimus |
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213 | (3) |
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6.2 Group Theory Revisited |
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216 | (13) |
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6.2.1 The symmetric group Sn |
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216 | (2) |
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6.2.2 The dihedral group revisited |
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218 | (3) |
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221 | (2) |
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6.2.4 Example: Plain Bob Doubles |
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223 | (4) |
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227 | (2) |
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229 | (24) |
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7.1 Schoenberg's Twelve-Tone Method of Composition |
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229 | (6) |
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7.1.1 Notation and terminology |
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230 | (3) |
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7.1.2 The tone row matrix |
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233 | (2) |
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7.2 Schoenberg's Suite fur Klavier, Op. 25 |
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235 | (3) |
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238 | (15) |
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7.3.1 Using numbers instead of pitches |
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241 | (1) |
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7.3.2 Further analysis: The symmetric interval property |
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242 | (3) |
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245 | (3) |
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7.3.4 The number of distinct tone rows |
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248 | (1) |
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7.3.5 Twelve-tone music and group theory |
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249 | (3) |
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252 | (1) |
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8 Mathematical Modern Music |
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253 | (36) |
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8.1 Sir Peter Maxwell Davies: Magic Squares |
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253 | (15) |
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255 | (1) |
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256 | (2) |
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258 | (2) |
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8.1.4 A Mirror of Whitening Light |
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260 | (8) |
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8.2 Steve Reich: Phase Shifting |
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268 | (10) |
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271 | (5) |
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276 | (2) |
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8.3 Xenakis: Stochastic Music |
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278 | (5) |
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278 | (1) |
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8.3.2 Metastasis and the Philips Pavilion |
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279 | (1) |
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8.3.3 Pithoprakta: Continuity versus discontinuity |
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280 | (3) |
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8.4 Final Project: A Mathematical Composition |
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283 | (6) |
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287 | (2) |
Credits |
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289 | (4) |
Index |
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293 | |