Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/cache/24CountryDances_1765_Thompson.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6867-24CountryDances_1765_Thompson.ps) >>/Users/jc/w/tmp/Tune-6867-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/cache/24CountryDances_1765_Thompson.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_68676.log 164014 Log file, useful mostly for debugging
List6867.log 163 Log file, useful mostly for debugging
Tune-6867-24CountryDances_1765_Thompson.abc 167 ABC music file with the extracted tune(s)
Tune-6867-24CountryDances_1765_Thompson.ps 6 PostScript
Tune-6867-24CountryDances_1765_Thompson.txt 167 Plain-text file with the extracted tune(s)
Tune-6867-get.log 4467 Log file, useful mostly for debugging
Tune-68674-get.log 4519 Log file, useful mostly for debugging
Tune-68678-LondonMagazine.abc 167 ABC music file with the extracted tune(s)
Tune-68678-LondonMagazine.pdf 2217 Portable Data Format
Tune-68678-LondonMagazine.ps 6 PostScript
Tune-68678-LondonMagazine.txt 167 Plain-text file with the extracted tune(s)
Tune-68678-get.log 5094 Log file, useful mostly for debugging
Tune-68679-EliasHowe_MusiciansCompanionP3-1844-V1.abc 183 ABC music file with the extracted tune(s)
Tune-68679-EliasHowe_MusiciansCompanionP3-1844-V1.ps 6 PostScript
Tune-68679-EliasHowe_MusiciansCompanionP3-1844-V1.txt 183 Plain-text file with the extracted tune(s)
Tune-68679-get.log 4752 Log file, useful mostly for debugging
These files should be available for 24 hours.