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[[Category: Prototyping]] | |||
[[Category:Markov chants]] | |||
=The Art of the Fugue= | |||
MARKOV CHANTS WITH J.S. BACH | |||
<br /> | |||
<br /> | |||
===Concept=== | |||
[[File:Scetchbook2011-02_markov.jpg | 750px]]<br /> | |||
<br /> | |||
[[File:Scetchbook2011-01_markov.jpg | 750px]]<br /> | |||
<br /> | |||
===Scripting Progress=== | |||
http://pzwart3.wdka.hro.nl/wiki/Poetry_generators | =====Python : Script 2011-05-23 (not working)===== | ||
<source lang="python"> | |||
#!/usr/bin/env python | |||
import random | |||
fugue = {} | |||
fugue = { | |||
"l2/d3":["l2/a3", "l2/c+3"], | |||
"l2/a3": ["l2/f3"], | |||
"l2/f3": ["l2/d3", "l8/f3"], | |||
"l2/c+3": ["l4/d3"], | |||
"l4/d3": ["l4/e3"], | |||
"l4/e3": ["l2/f3"], | |||
"l8/f3": ["l8/g3","l8/e3"], | |||
"l8/g3": ["l8/f3"], | |||
"l8/e3": ["l2/d3"] | |||
} | |||
# start with first / one tone (KEY) in the dictionary | |||
# look in the list of the KEY to find next possibilities | |||
# pick a random VALUE from the list that belongs to the key | |||
# asign this next tone to start this loop again | |||
# variable tone | |||
for t in enumerate(tones): | |||
print t, tones[i+1] | |||
random.choice() | |||
#MIDGE | |||
@head { | |||
$time_sig 2/2 | |||
$tempo 120 | |||
} | |||
@body { | |||
@channel 1 { | |||
$patch 1 | |||
$octave 4 | |||
$length 16 | |||
# tones here | |||
} | |||
} | |||
#MIDI FILE | |||
#play with timidity | |||
</source> | |||
=====Python : Script <i>fugue.py</i> 2011-05-24===== | |||
<source lang="python"> | |||
#!/usr/bin/env python | |||
import random | |||
fugue = {} | |||
fugue = { | |||
"/l2/d4":["/l2/a4", "/l2/c+4"], | |||
"/l2/a4": ["/l2/f4"], | |||
"/l2/f4": ["/l2/d4", "/l8/f4"], | |||
"/l2/c+4": ["/l4/d4"], | |||
"/l4/d4": ["/l4/e4"], | |||
"/l4/e4": ["/l2/f4"], | |||
"/l8/f4": ["/l8/g4","/l8/e4"], | |||
"/l8/g4": ["/l8/f4"], | |||
"/l8/e4": ["/l2/d4"] | |||
} | |||
#here we print / place the timidity structure | |||
print """ | |||
@head { | |||
$time_sig 4/4 | |||
$tempo 220 | |||
} | |||
@body { | |||
@channel 1 { | |||
$patch 1 | |||
$octave 4 | |||
$length 16 | |||
""" | |||
tone = "/l2/d4" | |||
for x in range(64): | |||
print tone | |||
#this new variable tone is overwriting the old tone! => variable as empty bowl symbolism | |||
tone = random.choice(fugue[tone]) | |||
#here we print / place the timidity structure | |||
print """ | |||
} | |||
} | |||
""" | |||
</source> | |||
<source lang="php"> | |||
TERMINAL: | |||
natasa@natasa-linux:~/pzi/3_TRIMESTER/PROTOTYPING/20110524_fugue$ python fugue.py | midge | |||
found 1 music tracks | |||
midi output written to a.out.mid | |||
natasa@natasa-linux:~/pzi/3_TRIMESTER/PROTOTYPING/20110524_fugue$ timidity a.out.mid | |||
Playing a.out.mid | |||
Playing time: ~31 seconds | |||
natasa@natasa-linux:~/pzi/3_TRIMESTER/PROTOTYPING/20110524_fugue$ timidity -Ov a.out.mid | |||
Playing a.out.mid | |||
Output a_out.ogg | |||
</source> | |||
=====Python : Script <i>fugue_out.sh</i> 2011-05-30===== | |||
<source lang="python"> | |||
# $ for variable in bash | |||
in=$1 | |||
# strip off extention | |||
b=${in%.*} | |||
echo $b | |||
python $1 | midge -o $b.mid | |||
timidity -Ov $b.mid | |||
</source> | |||
=====Python : Script <i>fugues_out.sh</i> 2011-05-30===== | |||
<source lang="python"> | |||
for ((i=1; i<5; i++)) | |||
do | |||
bash fugue_out.sh fugue.py | |||
mv fugue.mid fugue_0$i.mid | |||
mv fugue.ogg fugue_0$i.ogg | |||
done | |||
</source> | |||
<source lang="php"> | |||
TERMINAL: | |||
natasa@natasa-linux:~/pzi/3_TRIMESTER/PROTOTYPING/20110524_fugue$ bash fugues_out.sh | |||
</source> | |||
Voice 01 (Octave 3) | |||
[[File:Fugue_01_20110530.ogg]] | |||
<br /> | |||
Voice 02 (Octave 3) | |||
[[File:Fugue_02_20110530.ogg]] | |||
<br /> | |||
Voice 03 (Octave 3) | |||
[[File:Fugue_03_20110530.ogg]] | |||
<br /> | |||
Voice 04 (Octave 3) | |||
[[File:Fugue_04_20110530.ogg]] | |||
<br /> | |||
=====Python : Script <i>fugue_octave.py</i> 2011-06-08===== | |||
<source lang="python"> | |||
#!/usr/bin/env python | |||
import random | |||
fugue = {} | |||
fugue = { | |||
"/l2/d":["/l2/a", "/l2/c+"], | |||
"/l2/a": ["/l2/f"], | |||
"/l2/f": ["/l2/d", "/l8/f"], | |||
"/l2/c+": ["/l4/d"], | |||
"/l4/d": ["/l4/e"], | |||
"/l4/e": ["/l2/f"], | |||
"/l8/f": ["/l8/g","/l8/e"], | |||
"/l8/g": ["/l8/f"], | |||
"/l8/e": ["/l2/d"] | |||
} | |||
print """ | |||
@head { | |||
$time_sig 4/4 | |||
$tempo 220 | |||
} | |||
@body { | |||
@channel 1 { | |||
$patch 1 | |||
$octave 3 | |||
$length 16 | |||
""" | |||
tone = "/l2/d" | |||
for x in range(64): | |||
print tone | |||
#this new variable tone is overwriting the old tone! => variable as empty bowl symbolism | |||
tone = random.choice(fugue[tone]) | |||
print """ | |||
} | |||
} | |||
""" | |||
</source> | |||
Voice 01 (Octave 2) | |||
[[File:Fugue_01_20110608.ogg]] | |||
<br /> | |||
Voice 02 (Octave 3) | |||
[[File:Fugue_04_20110530.ogg]] | |||
<br /> | |||
Voice 03 (Octave 4) | |||
[[File:Fugue_01-octave4_20110608.ogg]] | |||
<br /> | |||
=====Questions===== | |||
How can I make the octave a variable (midge)?<br /> | |||
How can I at least play two voices simultaneously (two channels)?<br /> | |||
How can these two channels have different octaves? | |||
<br /> | |||
<br /> | |||
===Useful Links=== | |||
<span style="font-size:8pt"> | |||
http://en.wikipedia.org/wiki/The_Art_of_Fugue<br /> | |||
http://en.wikipedia.org/wiki/Piano_key_frequencies<br /> | |||
http://pzwart3.wdka.hro.nl/wiki/Poetry_generators<br /> | |||
http://pzwart3.wdka.hro.nl/wiki/Sedsongs#midge<br /> | |||
http://manpages.ubuntu.com/manpages/hardy/man1/midge.1.html<br /> | |||
http://piano.congland.com/<br /> | |||
</span> |
Latest revision as of 12:37, 21 June 2011
The Art of the Fugue
MARKOV CHANTS WITH J.S. BACH
Concept
Scripting Progress
Python : Script 2011-05-23 (not working)
#!/usr/bin/env python
import random
fugue = {}
fugue = {
"l2/d3":["l2/a3", "l2/c+3"],
"l2/a3": ["l2/f3"],
"l2/f3": ["l2/d3", "l8/f3"],
"l2/c+3": ["l4/d3"],
"l4/d3": ["l4/e3"],
"l4/e3": ["l2/f3"],
"l8/f3": ["l8/g3","l8/e3"],
"l8/g3": ["l8/f3"],
"l8/e3": ["l2/d3"]
}
# start with first / one tone (KEY) in the dictionary
# look in the list of the KEY to find next possibilities
# pick a random VALUE from the list that belongs to the key
# asign this next tone to start this loop again
# variable tone
for t in enumerate(tones):
print t, tones[i+1]
random.choice()
#MIDGE
@head {
$time_sig 2/2
$tempo 120
}
@body {
@channel 1 {
$patch 1
$octave 4
$length 16
# tones here
}
}
#MIDI FILE
#play with timidity
Python : Script fugue.py 2011-05-24
#!/usr/bin/env python
import random
fugue = {}
fugue = {
"/l2/d4":["/l2/a4", "/l2/c+4"],
"/l2/a4": ["/l2/f4"],
"/l2/f4": ["/l2/d4", "/l8/f4"],
"/l2/c+4": ["/l4/d4"],
"/l4/d4": ["/l4/e4"],
"/l4/e4": ["/l2/f4"],
"/l8/f4": ["/l8/g4","/l8/e4"],
"/l8/g4": ["/l8/f4"],
"/l8/e4": ["/l2/d4"]
}
#here we print / place the timidity structure
print """
@head {
$time_sig 4/4
$tempo 220
}
@body {
@channel 1 {
$patch 1
$octave 4
$length 16
"""
tone = "/l2/d4"
for x in range(64):
print tone
#this new variable tone is overwriting the old tone! => variable as empty bowl symbolism
tone = random.choice(fugue[tone])
#here we print / place the timidity structure
print """
}
}
"""
TERMINAL:
natasa@natasa-linux:~/pzi/3_TRIMESTER/PROTOTYPING/20110524_fugue$ python fugue.py | midge
found 1 music tracks
midi output written to a.out.mid
natasa@natasa-linux:~/pzi/3_TRIMESTER/PROTOTYPING/20110524_fugue$ timidity a.out.mid
Playing a.out.mid
Playing time: ~31 seconds
natasa@natasa-linux:~/pzi/3_TRIMESTER/PROTOTYPING/20110524_fugue$ timidity -Ov a.out.mid
Playing a.out.mid
Output a_out.ogg
Python : Script fugue_out.sh 2011-05-30
# $ for variable in bash
in=$1
# strip off extention
b=${in%.*}
echo $b
python $1 | midge -o $b.mid
timidity -Ov $b.mid
Python : Script fugues_out.sh 2011-05-30
for ((i=1; i<5; i++))
do
bash fugue_out.sh fugue.py
mv fugue.mid fugue_0$i.mid
mv fugue.ogg fugue_0$i.ogg
done
TERMINAL:
natasa@natasa-linux:~/pzi/3_TRIMESTER/PROTOTYPING/20110524_fugue$ bash fugues_out.sh
Voice 01 (Octave 3)
File:Fugue 01 20110530.ogg
Voice 02 (Octave 3)
File:Fugue 02 20110530.ogg
Voice 03 (Octave 3)
File:Fugue 03 20110530.ogg
Voice 04 (Octave 3)
File:Fugue 04 20110530.ogg
Python : Script fugue_octave.py 2011-06-08
#!/usr/bin/env python
import random
fugue = {}
fugue = {
"/l2/d":["/l2/a", "/l2/c+"],
"/l2/a": ["/l2/f"],
"/l2/f": ["/l2/d", "/l8/f"],
"/l2/c+": ["/l4/d"],
"/l4/d": ["/l4/e"],
"/l4/e": ["/l2/f"],
"/l8/f": ["/l8/g","/l8/e"],
"/l8/g": ["/l8/f"],
"/l8/e": ["/l2/d"]
}
print """
@head {
$time_sig 4/4
$tempo 220
}
@body {
@channel 1 {
$patch 1
$octave 3
$length 16
"""
tone = "/l2/d"
for x in range(64):
print tone
#this new variable tone is overwriting the old tone! => variable as empty bowl symbolism
tone = random.choice(fugue[tone])
print """
}
}
"""
Voice 01 (Octave 2)
File:Fugue 01 20110608.ogg
Voice 02 (Octave 3)
File:Fugue 04 20110530.ogg
Voice 03 (Octave 4)
File:Fugue 01-octave4 20110608.ogg
Questions
How can I make the octave a variable (midge)?
How can I at least play two voices simultaneously (two channels)?
How can these two channels have different octaves?
Useful Links
http://en.wikipedia.org/wiki/The_Art_of_Fugue
http://en.wikipedia.org/wiki/Piano_key_frequencies
http://pzwart3.wdka.hro.nl/wiki/Poetry_generators
http://pzwart3.wdka.hro.nl/wiki/Sedsongs#midge
http://manpages.ubuntu.com/manpages/hardy/man1/midge.1.html
http://piano.congland.com/