Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/hambo/AMHSI_abc1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3827-AMHSI_abc1.ps) >>/Users/jc/w/tmp/Tune-3827-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/hambo/AMHSI_abc1.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Tune-3827-AMHSI_abc1.abc 148 ABC music file with the extracted tune(s)
Tune-3827-AMHSI_abc1.ps 6 PostScript
Tune-3827-AMHSI_abc1.txt 148 Plain-text file with the extracted tune(s)
Tune-3827-get.log 4074 Log file, useful mostly for debugging
Tune-38270-get.log 6408 Log file, useful mostly for debugging
Tune-38273-get.log 4749 Log file, useful mostly for debugging
Tune-38274-get.log 8721 Log file, useful mostly for debugging
Tune-38275-get.log 10385 Log file, useful mostly for debugging
Tune-38276-get.log 4058 Log file, useful mostly for debugging
Tune-38277-get.log 4820 Log file, useful mostly for debugging
Tune-38278-get.log 4613 Log file, useful mostly for debugging
These files should be available for 24 hours.