Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/GlendarrochSDS/24CountryDances_1767_Thompson.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-51140-24CountryDances_1767_Thompson.ps) >>/Users/jc/w/tmp/Tune-51140-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/GlendarrochSDS/24CountryDances_1767_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
Tune-51140-24CountryDances_1767_Thompson.abc 176 ABC music file with the extracted tune(s)
Tune-51140-24CountryDances_1767_Thompson.ps 6 PostScript
Tune-51140-24CountryDances_1767_Thompson.txt 176 Plain-text file with the extracted tune(s)
Tune-51140-Kikapu-DmD-48-3.abc 537 ABC music file with the extracted tune(s)
Tune-51140-Kikapu-DmD-48-3.pdf 16652 Portable Data Format
Tune-51140-Kikapu-DmD-48-3.ps 35414 PostScript
Tune-51140-Kikapu-DmD-48-3.txt 537 Plain-text file with the extracted tune(s)
Tune-51140-get.log 15659 Log file, useful mostly for debugging
These files should be available for 24 hours.