Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Sources.html/AbrahamMackintosh.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3649-AbrahamMackintosh.ps) >>/Users/jc/w/tmp/Tune-3649-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Sources.html/AbrahamMackintosh.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_36494.log 148653 Log file, useful mostly for debugging
Form_36494.log 828 Log file, useful mostly for debugging
Tune-3649-AbrahamMackintosh.abc 162 ABC music file with the extracted tune(s)
Tune-3649-AbrahamMackintosh.ps 6 PostScript
Tune-3649-AbrahamMackintosh.txt 162 Plain-text file with the extracted tune(s)
Tune-3649-get.log 4259 Log file, useful mostly for debugging
Tune-36490-get.log 4758 Log file, useful mostly for debugging
Tune-36490-v3tune.abc 142 ABC music file with the extracted tune(s)
Tune-36490-v3tune.pdf 2217 Portable Data Format
Tune-36490-v3tune.ps 6 PostScript
Tune-36490-v3tune.txt 142 Plain-text file with the extracted tune(s)
Tune-36491-get.log 5966 Log file, useful mostly for debugging
Tune-36496-JamesJohnson_ScotsMusicalMuseumV5-V1.abc 173 ABC music file with the extracted tune(s)
Tune-36496-JamesJohnson_ScotsMusicalMuseumV5-V1.ps 6 PostScript
Tune-36496-JamesJohnson_ScotsMusicalMuseumV5-V1.txt 173 Plain-text file with the extracted tune(s)
Tune-36496-get.log 4662 Log file, useful mostly for debugging
Tune-36497-get.log 6616 Log file, useful mostly for debugging
Tune-36498-get.log 6016 Log file, useful mostly for debugging
These files should be available for 24 hours.