Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/slipjig/24CountryDances_1803_Gray_Thompson.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4970-24CountryDances_1803_Gray_Thompson.ps) >>/Users/jc/w/tmp/Tune-4970-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/slipjig/24CountryDances_1803_Gray_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-4970-24CountryDances_1803_Gray_Thompson.abc 174 ABC music file with the extracted tune(s)
Tune-4970-24CountryDances_1803_Gray_Thompson.ps 6 PostScript
Tune-4970-24CountryDances_1803_Gray_Thompson.txt 174 Plain-text file with the extracted tune(s)
Tune-4970-get.log 4588 Log file, useful mostly for debugging
Tune-49701-24CountryDances_1809_Cahusac_AK.abc 168 ABC music file with the extracted tune(s)
Tune-49701-24CountryDances_1809_Cahusac_AK.pdf 2217 Portable Data Format
Tune-49701-24CountryDances_1809_Cahusac_AK.ps 6 PostScript
Tune-49701-24CountryDances_1809_Cahusac_AK.txt 168 Plain-text file with the extracted tune(s)
Tune-49701-get.log 5491 Log file, useful mostly for debugging
Tune-49702-10123_Morpeths_March.abc 580 ABC music file with the extracted tune(s)
Tune-49702-10123_Morpeths_March.ps 33123 PostScript
Tune-49702-10123_Morpeths_March.txt 580 Plain-text file with the extracted tune(s)
Tune-49702-JeanWhite_HRJCD.abc 158 ABC music file with the extracted tune(s)
Tune-49702-JeanWhite_HRJCD.pdf 2217 Portable Data Format
Tune-49702-JeanWhite_HRJCD.ps 6 PostScript
Tune-49702-JeanWhite_HRJCD.txt 158 Plain-text file with the extracted tune(s)
Tune-49702-get.log 10030 Log file, useful mostly for debugging
Tune-49703-Playford_COST.abc 150 ABC music file with the extracted tune(s)
Tune-49703-Playford_COST.ps 6 PostScript
Tune-49703-Playford_COST.txt 150 Plain-text file with the extracted tune(s)
Tune-49703-get.log 4177 Log file, useful mostly for debugging
Tune-49705-get.log 5371 Log file, useful mostly for debugging
Tune-49706-KittyBridges_1745_VO.abc 157 ABC music file with the extracted tune(s)
Tune-49706-KittyBridges_1745_VO.ps 6 PostScript
Tune-49706-KittyBridges_1745_VO.txt 157 Plain-text file with the extracted tune(s)
Tune-49706-get.log 4203 Log file, useful mostly for debugging
Tune-49707-get.log 5008 Log file, useful mostly for debugging
These files should be available for 24 hours.