Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/NS_Anniv50/SkillernChalloner_PCD2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6848-SkillernChalloner_PCD2.ps) >>/Users/jc/w/tmp/Tune-6848-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/NS_Anniv50/SkillernChalloner_PCD2.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-6848-SkillernChalloner_PCD2.abc 165 ABC music file with the extracted tune(s)
Tune-6848-SkillernChalloner_PCD2.ps 6 PostScript
Tune-6848-SkillernChalloner_PCD2.txt 165 Plain-text file with the extracted tune(s)
Tune-6848-get.log 9308 Log file, useful mostly for debugging
Tune-68480-get.log 1627 Log file, useful mostly for debugging
Tune-68481-get.log 4590 Log file, useful mostly for debugging
Tune-68482-get.log 11517 Log file, useful mostly for debugging
Tune-68483-24CountryDances_1792_Thompson.abc 173 ABC music file with the extracted tune(s)
Tune-68483-24CountryDances_1792_Thompson.pdf 2217 Portable Data Format
Tune-68483-24CountryDances_1792_Thompson.ps 6 PostScript
Tune-68483-24CountryDances_1792_Thompson.txt 173 Plain-text file with the extracted tune(s)
Tune-68483-get.log 5475 Log file, useful mostly for debugging
Tune-68484-RobertBremner_CSRCD1.abc 159 ABC music file with the extracted tune(s)
Tune-68484-RobertBremner_CSRCD1.pdf 2217 Portable Data Format
Tune-68484-RobertBremner_CSRCD1.ps 6 PostScript
Tune-68484-RobertBremner_CSRCD1.txt 159 Plain-text file with the extracted tune(s)
Tune-68484-get.log 6657 Log file, useful mostly for debugging
Tune-68486-get.log 14672 Log file, useful mostly for debugging
Tune-68488-get.log 1407 Log file, useful mostly for debugging
These files should be available for 24 hours.