Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/1779/24CountryDances_1778_Thompson.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6674-24CountryDances_1778_Thompson.ps) >>/Users/jc/w/tmp/Tune-6674-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/1779/24CountryDances_1778_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
Form_66741.log 804 Log file, useful mostly for debugging
Form_66747.log 817 Log file, useful mostly for debugging
Tune-6674-24CountryDances_1778_Thompson.abc 166 ABC music file with the extracted tune(s)
Tune-6674-24CountryDances_1778_Thompson.ps 6 PostScript
Tune-6674-24CountryDances_1778_Thompson.txt 166 Plain-text file with the extracted tune(s)
Tune-6674-get.log 12264 Log file, useful mostly for debugging
Tune-66748-Dilim_ODeamhas.abc 374 ABC music file with the extracted tune(s)
Tune-66748-Dilim_ODeamhas.txt 374 Plain-text file with the extracted tune(s)
Tune-66748-get.log 3426 Log file, useful mostly for debugging
These files should be available for 24 hours.