Music Notation - Gardner Read
The author says it is the minimum any aspiring musician should know.
Teaches how to clearly write music notes on paper. As many channels or parts one wishes without having to carry a computer or feed it with electrical power.
Much fanstastic music is made of a few parts. If for example one part is the bass, other part is a seventh or ninth with respect to bass and other part is a third with respect to bass, it may be all needed to be specified and it can sound fanstastic.
Listen for example to Four Seasons - Vivaldi, Air - Bach (in 4 part harmony).
Music notation can be perhaps thought as writing the software. It fact it is low level like machine code ie closest to the humans or musical instruments. Therefore it leaves space for correct intonation, expression, interpretation. It is perhaps a bit like DNA.
For example an octave is specified.
Then it is the responsibility of the player or instrument be it human or machine to play that octave with such frequency and intensity that the octave sounds correct to the human brain.
So the x2 in frequency (flat or shrinked) octave can be avoided. [Terhardt]
Reference:
Streched Octaves - Terhardt
See also:
Engineering versus Music octave - euroelectron
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