Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/TremontQuadrilles/24CountryDances_1776_Thompson.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3017-24CountryDances_1776_Thompson.ps) >>/Users/jc/w/tmp/Tune-3017-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/TremontQuadrilles/24CountryDances_1776_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_30175.log 155203 Log file, useful mostly for debugging
Tune-3017-24CountryDances_1776_Thompson.abc 179 ABC music file with the extracted tune(s)
Tune-3017-24CountryDances_1776_Thompson.ps 6 PostScript
Tune-3017-24CountryDances_1776_Thompson.txt 179 Plain-text file with the extracted tune(s)
Tune-3017-get.log 8637 Log file, useful mostly for debugging
Tune-30170-Button_Whitaker_12ElegantNewDances_1810.abc 173 ABC music file with the extracted tune(s)
Tune-30170-Button_Whitaker_12ElegantNewDances_1810.pdf 2217 Portable Data Format
Tune-30170-Button_Whitaker_12ElegantNewDances_1810.ps 6 PostScript
Tune-30170-Button_Whitaker_12ElegantNewDances_1810.txt 173 Plain-text file with the extracted tune(s)
Tune-30170-get.log 8993 Log file, useful mostly for debugging
Tune-30171-get.log 57490 Log file, useful mostly for debugging
Tune-30172-get.log 8007 Log file, useful mostly for debugging
Tune-30176-get.log 3900 Log file, useful mostly for debugging
Tune-30179-get.log 3134 Log file, useful mostly for debugging
These files should be available for 24 hours.