Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Book32/WilliamCampbell_10thBook_1798-V1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7086-WilliamCampbell_10thBook_1798-V1.ps) >>/Users/jc/w/tmp/Tune-7086-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Book32/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
Form_7086.log 1009 Log file, useful mostly for debugging
Tune-7086-WilliamCampbell_10thBook_1798-V1.abc 171 ABC music file with the extracted tune(s)
Tune-7086-WilliamCampbell_10thBook_1798-V1.ps 6 PostScript
Tune-7086-WilliamCampbell_10thBook_1798-V1.txt 171 Plain-text file with the extracted tune(s)
Tune-7086-get.log 4538 Log file, useful mostly for debugging
Tune-70861-get.log 5283 Log file, useful mostly for debugging
Tune-70863-get.log 4228 Log file, useful mostly for debugging
Tune-70864-get.log 5332 Log file, useful mostly for debugging
Tune-70865-get.log 37707 Log file, useful mostly for debugging
These files should be available for 24 hours.