Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/CPC/endo.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2467-endo.ps) >>/Users/jc/w/tmp/Tune-2467-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/CPC/endo.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_24677.log 904 Log file, useful mostly for debugging
Tune-2467-endo.abc 140 ABC music file with the extracted tune(s)
Tune-2467-endo.ps 6 PostScript
Tune-2467-endo.txt 140 Plain-text file with the extracted tune(s)
Tune-2467-get.log 7925 Log file, useful mostly for debugging
Tune-24672-BonAccordCollection.abc 156 ABC music file with the extracted tune(s)
Tune-24672-BonAccordCollection.pdf 2217 Portable Data Format
Tune-24672-BonAccordCollection.ps 6 PostScript
Tune-24672-BonAccordCollection.txt 156 Plain-text file with the extracted tune(s)
Tune-24672-get.log 5141 Log file, useful mostly for debugging
Tune-24675-get.log 7497 Log file, useful mostly for debugging
Tune-24677-ViolaRuth_AdvancedSD.abc 157 ABC music file with the extracted tune(s)
Tune-24677-ViolaRuth_AdvancedSD.pdf 2217 Portable Data Format
Tune-24677-ViolaRuth_AdvancedSD.ps 6 PostScript
Tune-24677-ViolaRuth_AdvancedSD.txt 157 Plain-text file with the extracted tune(s)
Tune-24677-get.log 9195 Log file, useful mostly for debugging
Tune-24678-get.log 4073 Log file, useful mostly for debugging
Tune-24679-get.log 3808 Log file, useful mostly for debugging
These files should be available for 24 hours.