Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/1802/JamesJohnson_ScotsMusicalMuseumV5-V1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2621-JamesJohnson_ScotsMusicalMuseumV5-V1.ps) >>/Users/jc/w/tmp/Tune-2621-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/1802/JamesJohnson_ScotsMusicalMuseumV5-V1.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-2621-JamesJohnson_ScotsMusicalMuseumV5-V1.abc 173 ABC music file with the extracted tune(s)
Tune-2621-JamesJohnson_ScotsMusicalMuseumV5-V1.ps 6 PostScript
Tune-2621-JamesJohnson_ScotsMusicalMuseumV5-V1.txt 173 Plain-text file with the extracted tune(s)
Tune-2621-get.log 4608 Log file, useful mostly for debugging
Tune-26214-get.log 29049 Log file, useful mostly for debugging
Tune-26215-CaledonianMusicalRepository_1811.abc 169 ABC music file with the extracted tune(s)
Tune-26215-CaledonianMusicalRepository_1811.pdf 2217 Portable Data Format
Tune-26215-CaledonianMusicalRepository_1811.ps 6 PostScript
Tune-26215-CaledonianMusicalRepository_1811.txt 169 Plain-text file with the extracted tune(s)
Tune-26215-get.log 5520 Log file, useful mostly for debugging
Tune-26217-078_Tom_Thumb.abc 686 ABC music file with the extracted tune(s)
Tune-26217-078_Tom_Thumb.ps 35233 PostScript
Tune-26217-078_Tom_Thumb.txt 686 Plain-text file with the extracted tune(s)
Tune-26217-get.log 4645 Log file, useful mostly for debugging
Tune-26219-get.log 4708 Log file, useful mostly for debugging
These files should be available for 24 hours.