Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/1765/24CountryDances_1780_Skillern.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8495-24CountryDances_1780_Skillern.ps) >>/Users/jc/w/tmp/Tune-8495-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/1765/24CountryDances_1780_Skillern.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Form_84958.log 973 Log file, useful mostly for debugging
List84951.log 162 Log file, useful mostly for debugging
List84955.log 162 Log file, useful mostly for debugging
List84959.log 162 Log file, useful mostly for debugging
Tune-8495-24CountryDances_1780_Skillern.abc 166 ABC music file with the extracted tune(s)
Tune-8495-24CountryDances_1780_Skillern.ps 6 PostScript
Tune-8495-24CountryDances_1780_Skillern.txt 166 Plain-text file with the extracted tune(s)
Tune-8495-get.log 4461 Log file, useful mostly for debugging
Tune-84951-get.log 1317 Log file, useful mostly for debugging
Tune-84957-get.log 4849 Log file, useful mostly for debugging
These files should be available for 24 hours.