Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Pioneer/WilliamCampbell_10thBook_1798-V1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3236-WilliamCampbell_10thBook_1798-V1.ps) >>/Users/jc/w/tmp/Tune-3236-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Pioneer/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_32360.log 640411 Log file, useful mostly for debugging
Coll_32365.log 162367 Log file, useful mostly for debugging
Tune-3236-WilliamCampbell_10thBook_1798-V1.abc 172 ABC music file with the extracted tune(s)
Tune-3236-WilliamCampbell_10thBook_1798-V1.ps 6 PostScript
Tune-3236-WilliamCampbell_10thBook_1798-V1.txt 172 Plain-text file with the extracted tune(s)
Tune-3236-get.log 4548 Log file, useful mostly for debugging
Tune-32360-get.log 5549 Log file, useful mostly for debugging
Tune-32361-get.log 7408 Log file, useful mostly for debugging
Tune-32363-Button_Whitaker_SelectionOfDancesReelsAndWaltzes_1.abc 186 ABC music file with the extracted tune(s)
Tune-32363-Button_Whitaker_SelectionOfDancesReelsAndWaltzes_1.ps 6 PostScript
Tune-32363-Button_Whitaker_SelectionOfDancesReelsAndWaltzes_1.txt 186 Plain-text file with the extracted tune(s)
Tune-32363-get.log 4825 Log file, useful mostly for debugging
Tune-32364-get.log 7637 Log file, useful mostly for debugging
Tune-32365-get.log 5694 Log file, useful mostly for debugging
Tune-32366-get.log 14994 Log file, useful mostly for debugging
Tune-32369-get.log 4894 Log file, useful mostly for debugging
These files should be available for 24 hours.