Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/new/AMHSI_abc2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6712-AMHSI_abc2.ps) >>/Users/jc/w/tmp/Tune-6712-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/new/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
Coll_67120.log 248685 Log file, useful mostly for debugging
Form_67129.log 844 Log file, useful mostly for debugging
Tune-6712-AMHSI_abc2.abc 146 ABC music file with the extracted tune(s)
Tune-6712-AMHSI_abc2.ps 6 PostScript
Tune-6712-AMHSI_abc2.txt 146 Plain-text file with the extracted tune(s)
Tune-6712-get.log 9236 Log file, useful mostly for debugging
Tune-67122-get.log 4513 Log file, useful mostly for debugging
Tune-67123-EyesRight.abc 445 ABC music file with the extracted tune(s)
Tune-67123-EyesRight.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-67123-EyesRight.ps 36223 PostScript
Tune-67123-EyesRight.txt 445 Plain-text file with the extracted tune(s)
Tune-67123-get.log 5449 Log file, useful mostly for debugging
These files should be available for 24 hours.