Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/PDF/AMHSI_abc2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5128-AMHSI_abc2.ps) >>/Users/jc/w/tmp/Tune-5128-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/PDF/AMHSI_abc2.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_51286.log 1423 Log file, useful mostly for debugging
Tune-5128-AMHSI_abc2.abc 146 ABC music file with the extracted tune(s)
Tune-5128-AMHSI_abc2.ps 6 PostScript
Tune-5128-AMHSI_abc2.txt 146 Plain-text file with the extracted tune(s)
Tune-5128-get.log 8329 Log file, useful mostly for debugging
Tune-51283-get.log 12219 Log file, useful mostly for debugging
Tune-51285-get.log 3308 Log file, useful mostly for debugging
Tune-51286-get.log 5166 Log file, useful mostly for debugging
Tune-51287-get.log 5232 Log file, useful mostly for debugging
These files should be available for 24 hours.