Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Book27/JamesJohnson_ScotsMusicalMuseumV4-V1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8065-JamesJohnson_ScotsMusicalMuseumV4-V1.ps) >>/Users/jc/w/tmp/Tune-8065-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Book27/JamesJohnson_ScotsMusicalMuseumV4-V1.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Coll_80652.log 487811 Log file, useful mostly for debugging
Sess-8065.log 7467974 Log file, useful mostly for debugging
Tune-8065-JamesJohnson_ScotsMusicalMuseumV4-V1.abc 175 ABC music file with the extracted tune(s)
Tune-8065-JamesJohnson_ScotsMusicalMuseumV4-V1.ps 6 PostScript
Tune-8065-JamesJohnson_ScotsMusicalMuseumV4-V1.txt 175 Plain-text file with the extracted tune(s)
Tune-8065-get.log 4622 Log file, useful mostly for debugging
Tune-80652-24CountryDances_1798_Bland_Weller.abc 174 ABC music file with the extracted tune(s)
Tune-80652-24CountryDances_1798_Bland_Weller.pdf 2217 Portable Data Format
Tune-80652-24CountryDances_1798_Bland_Weller.ps 6 PostScript
Tune-80652-24CountryDances_1798_Bland_Weller.txt 174 Plain-text file with the extracted tune(s)
Tune-80652-get.log 5575 Log file, useful mostly for debugging
Tune-80653-get.log 3212 Log file, useful mostly for debugging
Tune-80654-get.log 9215 Log file, useful mostly for debugging
These files should be available for 24 hours.