Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Book01/WilliamCampbell_10thBook_1798-V2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3666-WilliamCampbell_10thBook_1798-V2.ps) >>/Users/jc/w/tmp/Tune-3666-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Book01/WilliamCampbell_10thBook_1798-V2.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-3666-WilliamCampbell_10thBook_1798-V2.abc 171 ABC music file with the extracted tune(s)
Tune-3666-WilliamCampbell_10thBook_1798-V2.ps 6 PostScript
Tune-3666-WilliamCampbell_10thBook_1798-V2.txt 171 Plain-text file with the extracted tune(s)
Tune-3666-get.log 19331 Log file, useful mostly for debugging
Tune-36660-get.log 3698 Log file, useful mostly for debugging
Tune-36661-get.log 15872 Log file, useful mostly for debugging
Tune-36663-get.log 9119 Log file, useful mostly for debugging
Tune-36664-get.log 3530 Log file, useful mostly for debugging
Tune-36665-get.log 10835 Log file, useful mostly for debugging
Tune-36666-get.log 5433 Log file, useful mostly for debugging
Tune-36667-get.log 3978 Log file, useful mostly for debugging
Tune-36669-get.log 3038 Log file, useful mostly for debugging
These files should be available for 24 hours.