Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/1771/HillCountryTunes.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6938-HillCountryTunes.ps) >>/Users/jc/w/tmp/Tune-6938-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/1771/HillCountryTunes.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_69385.log 2277171 Log file, useful mostly for debugging
Find_69383.log 1654 Log file, useful mostly for debugging
Tune-6938-HillCountryTunes.abc 153 ABC music file with the extracted tune(s)
Tune-6938-HillCountryTunes.ps 6 PostScript
Tune-6938-HillCountryTunes.txt 153 Plain-text file with the extracted tune(s)
Tune-6938-get.log 4192 Log file, useful mostly for debugging
Tune-69382-EliasHowe_MusiciansCompanionP1-1842-V1.abc 181 ABC music file with the extracted tune(s)
Tune-69382-EliasHowe_MusiciansCompanionP1-1842-V1.ps 6 PostScript
Tune-69382-EliasHowe_MusiciansCompanionP1-1842-V1.txt 181 Plain-text file with the extracted tune(s)
Tune-69382-get.log 4617 Log file, useful mostly for debugging
Tune-69383-get.log 9695 Log file, useful mostly for debugging
Tune-69384-24CountryDances_1804TP_Preston.abc 167 ABC music file with the extracted tune(s)
Tune-69384-24CountryDances_1804TP_Preston.ps 6 PostScript
Tune-69384-24CountryDances_1804TP_Preston.txt 167 Plain-text file with the extracted tune(s)
Tune-69384-get.log 4407 Log file, useful mostly for debugging
Tune-69389-get.log 5949 Log file, useful mostly for debugging
These files should be available for 24 hours.