Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/abc1/William_Clarke_MS_1770.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4556-William_Clarke_MS_1770.ps) >>/Users/jc/w/tmp/Tune-4556-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/abc1/William_Clarke_MS_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
Tune-4556-William_Clarke_MS_1770.abc 159 ABC music file with the extracted tune(s)
Tune-4556-William_Clarke_MS_1770.ps 6 PostScript
Tune-4556-William_Clarke_MS_1770.txt 159 Plain-text file with the extracted tune(s)
Tune-4556-get.log 4316 Log file, useful mostly for debugging
Tune-45562-AMHSI_abc2.abc 147 ABC music file with the extracted tune(s)
Tune-45562-AMHSI_abc2.pdf 2217 Portable Data Format
Tune-45562-AMHSI_abc2.ps 6 PostScript
Tune-45562-AMHSI_abc2.txt 147 Plain-text file with the extracted tune(s)
Tune-45562-CDfNH1783.abc 146 ABC music file with the extracted tune(s)
Tune-45562-CDfNH1783.txt 146 Plain-text file with the extracted tune(s)
Tune-45562-get.log 7311 Log file, useful mostly for debugging
Tune-45563-20531_Spirits_of_France-001.svg 45711 Scalable Vector Graphics format
Tune-45563-20531_Spirits_of_France.abc 1279 ABC music file with the extracted tune(s)
Tune-45563-20531_Spirits_of_France.txt 1279 Plain-text file with the extracted tune(s)
Tune-45563-24CountryDances_1799_Skillern.abc 166 ABC music file with the extracted tune(s)
Tune-45563-24CountryDances_1799_Skillern.pdf 2217 Portable Data Format
Tune-45563-24CountryDances_1799_Skillern.ps 6 PostScript
Tune-45563-24CountryDances_1799_Skillern.txt 166 Plain-text file with the extracted tune(s)
Tune-45563-Kohlers3.abc 145 ABC music file with the extracted tune(s)
Tune-45563-Kohlers3.pdf 2217 Portable Data Format
Tune-45563-Kohlers3.ps 6 PostScript
Tune-45563-Kohlers3.txt 145 Plain-text file with the extracted tune(s)
Tune-45563-get.log 20145 Log file, useful mostly for debugging
Tune-45564-Kauntze_CotmfD_NO.abc 154 ABC music file with the extracted tune(s)
Tune-45564-Kauntze_CotmfD_NO.txt 154 Plain-text file with the extracted tune(s)
Tune-45564-get.log 3308 Log file, useful mostly for debugging
Tune-45565-get.log 18012 Log file, useful mostly for debugging
These files should be available for 24 hours.