Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Book10/LondonMagazine.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9652-LondonMagazine.ps) >>/Users/jc/w/tmp/Tune-9652-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Book10/LondonMagazine.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_96523.log 1551 Log file, useful mostly for debugging
Tune-9652-LondonMagazine.abc 153 ABC music file with the extracted tune(s)
Tune-9652-LondonMagazine.ps 6 PostScript
Tune-9652-LondonMagazine.txt 153 Plain-text file with the extracted tune(s)
Tune-9652-get.log 4162 Log file, useful mostly for debugging
Tune-96523-AbrahamMackintosh.abc 154 ABC music file with the extracted tune(s)
Tune-96523-AbrahamMackintosh.ps 6 PostScript
Tune-96523-AbrahamMackintosh.txt 154 Plain-text file with the extracted tune(s)
Tune-96523-get.log 4138 Log file, useful mostly for debugging
Tune-96525-CTftF.abc 142 ABC music file with the extracted tune(s)
Tune-96525-CTftF.ps 6 PostScript
Tune-96525-CTftF.txt 142 Plain-text file with the extracted tune(s)
Tune-96525-get.log 4009 Log file, useful mostly for debugging
Tune-96528-get.log 1455 Log file, useful mostly for debugging
Tune-96529-AbrahamMackintosh.abc 154 ABC music file with the extracted tune(s)
Tune-96529-AbrahamMackintosh.pdf 2217 Portable Data Format
Tune-96529-AbrahamMackintosh.ps 6 PostScript
Tune-96529-AbrahamMackintosh.txt 154 Plain-text file with the extracted tune(s)
Tune-96529-get.log 5085 Log file, useful mostly for debugging
These files should be available for 24 hours.