Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Graded2/WilliamCampbell_10thBook_1798-V1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6616-WilliamCampbell_10thBook_1798-V1.ps) >>/Users/jc/w/tmp/Tune-6616-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Graded2/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-6616-WilliamCampbell_10thBook_1798-V1.abc 172 ABC music file with the extracted tune(s)
Tune-6616-WilliamCampbell_10thBook_1798-V1.ps 6 PostScript
Tune-6616-WilliamCampbell_10thBook_1798-V1.txt 172 Plain-text file with the extracted tune(s)
Tune-6616-get.log 4546 Log file, useful mostly for debugging
Tune-66160-get.log 4280 Log file, useful mostly for debugging
Tune-66162-get.log 1396 Log file, useful mostly for debugging
Tune-66164-ThomasMarsden.abc 152 ABC music file with the extracted tune(s)
Tune-66164-ThomasMarsden.ps 6 PostScript
Tune-66164-ThomasMarsden.txt 152 Plain-text file with the extracted tune(s)
Tune-66164-get.log 4187 Log file, useful mostly for debugging
Tune-66166-get.log 1396 Log file, useful mostly for debugging
These files should be available for 24 hours.