Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/_1850/EliasHowe_MusiciansCompanionP1-1842-V1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2848-EliasHowe_MusiciansCompanionP1-1842-V1.ps) >>/Users/jc/w/tmp/Tune-2848-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/_1850/EliasHowe_MusiciansCompanionP1-1842-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
Tune-2848-EliasHowe_MusiciansCompanionP1-1842-V1.abc 176 ABC music file with the extracted tune(s)
Tune-2848-EliasHowe_MusiciansCompanionP1-1842-V1.ps 6 PostScript
Tune-2848-EliasHowe_MusiciansCompanionP1-1842-V1.txt 176 Plain-text file with the extracted tune(s)
Tune-2848-get.log 4660 Log file, useful mostly for debugging
Tune-28482-MMM1.abc 141 ABC music file with the extracted tune(s)
Tune-28482-MMM1.ps 6 PostScript
Tune-28482-MMM1.txt 141 Plain-text file with the extracted tune(s)
Tune-28482-get.log 3865 Log file, useful mostly for debugging
Tune-28486-get.log 5213 Log file, useful mostly for debugging
Tune-28487-24CountryDances_1766_Johnson.abc 165 ABC music file with the extracted tune(s)
Tune-28487-24CountryDances_1766_Johnson.txt 165 Plain-text file with the extracted tune(s)
Tune-28487-get.log 3512 Log file, useful mostly for debugging
Tune-28488-24CountryDances_1808_Goulding_AK.abc 169 ABC music file with the extracted tune(s)
Tune-28488-24CountryDances_1808_Goulding_AK.ps 6 PostScript
Tune-28488-24CountryDances_1808_Goulding_AK.txt 169 Plain-text file with the extracted tune(s)
Tune-28488-get.log 4576 Log file, useful mostly for debugging
Tune-28489-get.log 3304 Log file, useful mostly for debugging
These files should be available for 24 hours.