Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Book24/WilliamCampbell_10thBook_1798-V1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1349-WilliamCampbell_10thBook_1798-V1.ps) >>/Users/jc/w/tmp/Tune-1349-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Book24/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
Coll_13491.log 149706 Log file, useful mostly for debugging
Tune-1349-WilliamCampbell_10thBook_1798-V1.abc 171 ABC music file with the extracted tune(s)
Tune-1349-WilliamCampbell_10thBook_1798-V1.ps 6 PostScript
Tune-1349-WilliamCampbell_10thBook_1798-V1.txt 171 Plain-text file with the extracted tune(s)
Tune-1349-get.log 9594 Log file, useful mostly for debugging
Tune-13490-get.log 3580 Log file, useful mostly for debugging
Tune-13491-get.log 9915 Log file, useful mostly for debugging
Tune-13494-get.log 5462 Log file, useful mostly for debugging
Tune-13496-get.log 1342 Log file, useful mostly for debugging
These files should be available for 24 hours.