Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Book10/24CountryDances_1774_Thompson.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7109-24CountryDances_1774_Thompson.ps) >>/Users/jc/w/tmp/Tune-7109-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Book10/24CountryDances_1774_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_71096.log 609612 Log file, useful mostly for debugging
Coll_71099.log 2081836 Log file, useful mostly for debugging
Tune-7109-24CountryDances_1774_Thompson.abc 168 ABC music file with the extracted tune(s)
Tune-7109-24CountryDances_1774_Thompson.ps 6 PostScript
Tune-7109-24CountryDances_1774_Thompson.txt 168 Plain-text file with the extracted tune(s)
Tune-7109-24CountryDances_1809_Cahusac_AK.abc 167 ABC music file with the extracted tune(s)
Tune-7109-24CountryDances_1809_Cahusac_AK.txt 167 Plain-text file with the extracted tune(s)
Tune-7109-get.log 8019 Log file, useful mostly for debugging
Tune-71090-24CountryDances_1766_Johnson.abc 165 ABC music file with the extracted tune(s)
Tune-71090-24CountryDances_1766_Johnson.ps 6 PostScript
Tune-71090-24CountryDances_1766_Johnson.txt 165 Plain-text file with the extracted tune(s)
Tune-71090-get.log 4494 Log file, useful mostly for debugging
Tune-71092-get.log 5438 Log file, useful mostly for debugging
Tune-71093-get.log 3933 Log file, useful mostly for debugging
These files should be available for 24 hours.