Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1799/24CountryDances_1770.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-343-24CountryDances_1770.ps) >>/Users/jc/w/tmp/Tune-343-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/1799/24CountryDances_1770.abc

Error exit status 256; here are some files to check:

[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Form_34397.abc 440 ABC music file with the extracted tune(s)
Form_34397.log 1074 Log file, useful mostly for debugging
Form_34397_001.svg 12696 Scalable Vector Graphics format
Tune-343-24CountryDances_1770.abc 157 ABC music file with the extracted tune(s)
Tune-343-24CountryDances_1770.ps 6 PostScript
Tune-343-24CountryDances_1770.txt 157 Plain-text file with the extracted tune(s)
Tune-343-get.log 4261 Log file, useful mostly for debugging
Tune-34300-get.log 9873 Log file, useful mostly for debugging
Tune-34302-get.log 4175 Log file, useful mostly for debugging
Tune-34303-SkillernChalloner_PCD1.abc 159 ABC music file with the extracted tune(s)
Tune-34303-SkillernChalloner_PCD1.txt 159 Plain-text file with the extracted tune(s)
Tune-34303-get.log 3402 Log file, useful mostly for debugging
Tune-34306-ThomasBraysCountryDances1699.abc 165 ABC music file with the extracted tune(s)
Tune-34306-ThomasBraysCountryDances1699.ps 6 PostScript
Tune-34306-ThomasBraysCountryDances1699.txt 165 Plain-text file with the extracted tune(s)
Tune-34306-get.log 10065 Log file, useful mostly for debugging
Tune-34308-get.log 4822 Log file, useful mostly for debugging
Tune-3431-get.log 3174 Log file, useful mostly for debugging
Tune-34313-get.log 5694 Log file, useful mostly for debugging
Tune-34314-get.log 5821 Log file, useful mostly for debugging
Tune-34315-Urbani_Liston_1800.abc 154 ABC music file with the extracted tune(s)
Tune-34315-Urbani_Liston_1800.txt 154 Plain-text file with the extracted tune(s)
Tune-34315-get.log 3320 Log file, useful mostly for debugging
Tune-3432-get.log 5060 Log file, useful mostly for debugging
Tune-34320-get.log 4353 Log file, useful mostly for debugging
Tune-34323-12CountryDances_1796_Cahusac.abc 165 ABC music file with the extracted tune(s)
Tune-34323-12CountryDances_1796_Cahusac.ps 6 PostScript
Tune-34323-12CountryDances_1796_Cahusac.txt 165 Plain-text file with the extracted tune(s)
Tune-34323-get.log 4492 Log file, useful mostly for debugging
Tune-3433-get.log 7071 Log file, useful mostly for debugging
Tune-34333-get.log 4816 Log file, useful mostly for debugging
Tune-34334-get.log 4861 Log file, useful mostly for debugging
Tune-34335-get.log 4328 Log file, useful mostly for debugging
Tune-34344-HibernianMuse-V1.abc 153 ABC music file with the extracted tune(s)
Tune-34344-HibernianMuse-V1.ps 6 PostScript
Tune-34344-HibernianMuse-V1.txt 153 Plain-text file with the extracted tune(s)
Tune-34344-get.log 4119 Log file, useful mostly for debugging
Tune-34345-get.log 5526 Log file, useful mostly for debugging
Tune-34351-WilliamCampbell_10thBook_1798-V2.abc 169 ABC music file with the extracted tune(s)
Tune-34351-WilliamCampbell_10thBook_1798-V2.txt 169 Plain-text file with the extracted tune(s)
Tune-34351-get.log 3584 Log file, useful mostly for debugging
Tune-34353-get.log 4012 Log file, useful mostly for debugging
Tune-34354-get.log 3605 Log file, useful mostly for debugging
Tune-34356-FARNE_Anonymous2.abc 152 ABC music file with the extracted tune(s)
Tune-34356-FARNE_Anonymous2.ps 6 PostScript
Tune-34356-FARNE_Anonymous2.txt 152 Plain-text file with the extracted tune(s)
Tune-34356-ThomasBraysCountryDances1699.abc 165 ABC music file with the extracted tune(s)
Tune-34356-ThomasBraysCountryDances1699.ps 6 PostScript
Tune-34356-ThomasBraysCountryDances1699.txt 165 Plain-text file with the extracted tune(s)
Tune-34356-get.log 8599 Log file, useful mostly for debugging
Tune-34359-MichaelDabney_12Minuets12Dances-1760-V1.abc 176 ABC music file with the extracted tune(s)
Tune-34359-MichaelDabney_12Minuets12Dances-1760-V1.ps 6 PostScript
Tune-34359-MichaelDabney_12Minuets12Dances-1760-V1.txt 176 Plain-text file with the extracted tune(s)
Tune-34359-get.log 4719 Log file, useful mostly for debugging
Tune-34361-get.log 3984 Log file, useful mostly for debugging
Tune-34362-get.log 4388 Log file, useful mostly for debugging
Tune-34363-get.log 1414 Log file, useful mostly for debugging
Tune-34365-get.log 4476 Log file, useful mostly for debugging
Tune-34387-get.log 4112 Log file, useful mostly for debugging
Tune-34392-get.log 4931 Log file, useful mostly for debugging
Tune-34395-get.log 4490 Log file, useful mostly for debugging
Tune-34396-CaledonianMusicalRepository.abc 164 ABC music file with the extracted tune(s)
Tune-34396-CaledonianMusicalRepository.pdf 2217 Portable Data Format
Tune-34396-CaledonianMusicalRepository.ps 6 PostScript
Tune-34396-CaledonianMusicalRepository.txt 164 Plain-text file with the extracted tune(s)
Tune-34396-get.log 5377 Log file, useful mostly for debugging
Tune-34397-get.log 1384 Log file, useful mostly for debugging
Tune-34399-get.log 3598 Log file, useful mostly for debugging
These files should be available for 24 hours.