Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/waifs/WilliamCampbell_10thBook_1798-V1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3835-WilliamCampbell_10thBook_1798-V1.ps) >>/Users/jc/w/tmp/Tune-3835-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/waifs/WilliamCampbell_10thBook_1798-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-3835-WilliamCampbell_10thBook_1798-V1.abc 170 ABC music file with the extracted tune(s)
Tune-3835-WilliamCampbell_10thBook_1798-V1.ps 6 PostScript
Tune-3835-WilliamCampbell_10thBook_1798-V1.txt 170 Plain-text file with the extracted tune(s)
Tune-3835-get.log 4532 Log file, useful mostly for debugging
Tune-38353-get.log 1363 Log file, useful mostly for debugging
Tune-38355-get.log 2819 Log file, useful mostly for debugging
Tune-38356-2360_the_Rival.abc 431 ABC music file with the extracted tune(s)
Tune-38356-2360_the_Rival.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-38356-2360_the_Rival.ps 34013 PostScript
Tune-38356-2360_the_Rival.txt 431 Plain-text file with the extracted tune(s)
Tune-38356-get.log 8179 Log file, useful mostly for debugging
Tune-38357-get.log 12214 Log file, useful mostly for debugging
These files should be available for 24 hours.