Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/PS/AMHSI-abc2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3740-AMHSI-abc2.ps) >>/Users/jc/w/tmp/Tune-3740-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/PS/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_37407.log 1481 Log file, useful mostly for debugging
Form_3740.log 909 Log file, useful mostly for debugging
Tune-3740-AMHSI-abc2.abc 145 ABC music file with the extracted tune(s)
Tune-3740-AMHSI-abc2.ps 6 PostScript
Tune-3740-AMHSI-abc2.txt 145 Plain-text file with the extracted tune(s)
Tune-3740-get.log 4052 Log file, useful mostly for debugging
Tune-37400-get.log 12878 Log file, useful mostly for debugging
Tune-37402-get.log 5644 Log file, useful mostly for debugging
Tune-37404-get.log 9649 Log file, useful mostly for debugging
Tune-37405-get.log 4896 Log file, useful mostly for debugging
Tune-37406-get.log 9683 Log file, useful mostly for debugging
Tune-37407-get.log 30415 Log file, useful mostly for debugging
These files should be available for 24 hours.