Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/MM4/WilliamCampbell_10thBook_1798-V1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7946-WilliamCampbell_10thBook_1798-V1.ps) >>/Users/jc/w/tmp/Tune-7946-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/MM4/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
Find_79465.log 1518 Log file, useful mostly for debugging
Tune-7946-WilliamCampbell_10thBook_1798-V1.abc 168 ABC music file with the extracted tune(s)
Tune-7946-WilliamCampbell_10thBook_1798-V1.ps 6 PostScript
Tune-7946-WilliamCampbell_10thBook_1798-V1.txt 168 Plain-text file with the extracted tune(s)
Tune-7946-get.log 4522 Log file, useful mostly for debugging
Tune-79460-get.log 4299 Log file, useful mostly for debugging
Tune-79463-Barsanti_CoOST.abc 151 ABC music file with the extracted tune(s)
Tune-79463-Barsanti_CoOST.ps 6 PostScript
Tune-79463-Barsanti_CoOST.txt 151 Plain-text file with the extracted tune(s)
Tune-79463-get.log 9366 Log file, useful mostly for debugging
Tune-79464-FARNE_Anonymous1.abc 153 ABC music file with the extracted tune(s)
Tune-79464-FARNE_Anonymous1.ps 6 PostScript
Tune-79464-FARNE_Anonymous1.txt 153 Plain-text file with the extracted tune(s)
Tune-79464-get.log 4238 Log file, useful mostly for debugging
These files should be available for 24 hours.