Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/hdr/AbrahamMackintosh.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7913-AbrahamMackintosh.ps) >>/Users/jc/w/tmp/Tune-7913-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/hdr/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
Find_79130.log 1600 Log file, useful mostly for debugging
Form_79139.log 848 Log file, useful mostly for debugging
Tune-7913-AbrahamMackintosh.abc 153 ABC music file with the extracted tune(s)
Tune-7913-AbrahamMackintosh.ps 6 PostScript
Tune-7913-AbrahamMackintosh.txt 153 Plain-text file with the extracted tune(s)
Tune-7913-get.log 4207 Log file, useful mostly for debugging
Tune-79131-get.log 7632 Log file, useful mostly for debugging
Tune-79132-get.log 5348 Log file, useful mostly for debugging
Tune-79133-get.log 4882 Log file, useful mostly for debugging
Tune-79134-get.log 4384 Log file, useful mostly for debugging
Tune-79136-get.log 3907 Log file, useful mostly for debugging
Tune-79138-get.log 4884 Log file, useful mostly for debugging
These files should be available for 24 hours.