By Pedro Kroger
Are you curious about studying extra approximately tune yet have stumbled on so much fabric condescending or to provide issues magically rather than logically? the good news is that a lot of track may be understood with programming and math, issues you're already solid at! during this publication you'll research a few parts of track from a programmer's point of view. You'll know about the primitives of track equivalent to notes and period, the technique of combining these primitives into reasons and chords, operations reminiscent of transposition, retrograde, and inversion, and the technique of abstraction (phrases and shape) utilizing Python and a few simple arithmetic. each notion during this ebook is defined in English with a corresponding implementation in Python, utilizing the Pyknon track library.
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Additional info for Music for Geeks and Nerds
If we change the theme and run the code we’ll get a diﬀerent composition with the same process. In fact, you could substitute canon-crab with your own ﬁle. Exercise 11. Create your own crab canon using the function crab_canon. 3. 3 Bach, Canon Quaerendo invenietis Now let’s see the code to implement another canon in the Musical Offering. mid”) Since the theme is repeated, we need to do some ﬁddling to make the repetitions have the appropiate size (when we deﬁne part1 and part2). inversion_startswith(Note(2, 4)) Track 11.
Is ﬁle has a few utilities functions such as choice_if_list and genmidi that we won’t see here since they are simple and boring. You may explore them in the source ﬁle. e function random_notes generates a sequence of notes by choosing a pitch randomly from a list of pitches. e second, third, and ﬁh argu42 Music for Geeks and Nerds ments deﬁne the octave, duration, and volume, respectively. If any of these arguments is a list, choice_if_list will pick one element randomly or return the argument itself if it’s a number.
For example, the (regular) transposition of C with the transposition index 3 (a minor third above) is Eb, while the tonal transposition of C a third above in the scale of A minor is E and in the scale of C minor is Eb. 4. harmonize() [