Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/1750/AMHSI-abc1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2267-AMHSI-abc1.ps) >>/Users/jc/w/tmp/Tune-2267-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/1750/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-2267-AMHSI-abc1.abc 147 ABC music file with the extracted tune(s)
Tune-2267-AMHSI-abc1.ps 6 PostScript
Tune-2267-AMHSI-abc1.txt 147 Plain-text file with the extracted tune(s)
Tune-2267-get.log 8733 Log file, useful mostly for debugging
Tune-22670-get.log 3920 Log file, useful mostly for debugging
Tune-22670-newpage.abc 143 ABC music file with the extracted tune(s)
Tune-22670-newpage.ps 6 PostScript
Tune-22670-newpage.txt 143 Plain-text file with the extracted tune(s)
Tune-22672-get.log 4520 Log file, useful mostly for debugging
Tune-22674-get.log 5777 Log file, useful mostly for debugging
Tune-22675-get.log 10145 Log file, useful mostly for debugging
Tune-22677-get.log 4507 Log file, useful mostly for debugging
Tune-22679-get.log 4884 Log file, useful mostly for debugging
These files should be available for 24 hours.