Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/CCCCD/Button_Whitaker_12ElegantNewDances_1810.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6819-Button_Whitaker_12ElegantNewDances_1810.ps) >>/Users/jc/w/tmp/Tune-6819-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/CCCCD/Button_Whitaker_12ElegantNewDances_1810.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_68190.log 273612 Log file, useful mostly for debugging
Tune-6819-Button_Whitaker_12ElegantNewDances_1810.abc 177 ABC music file with the extracted tune(s)
Tune-6819-Button_Whitaker_12ElegantNewDances_1810.ps 6 PostScript
Tune-6819-Button_Whitaker_12ElegantNewDances_1810.txt 177 Plain-text file with the extracted tune(s)
Tune-6819-get.log 4681 Log file, useful mostly for debugging
Tune-68193-get.log 5458 Log file, useful mostly for debugging
Tune-68195-get.log 5869 Log file, useful mostly for debugging
Tune-68196-get.log 8210 Log file, useful mostly for debugging
These files should be available for 24 hours.