Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/1751/Remick.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3124-Remick.ps) >>/Users/jc/w/tmp/Tune-3124-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/1751/Remick.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Form_31243.log 1282 Log file, useful mostly for debugging
Tune-3124-Remick.abc 143 ABC music file with the extracted tune(s)
Tune-3124-Remick.ps 6 PostScript
Tune-3124-Remick.txt 143 Plain-text file with the extracted tune(s)
Tune-3124-get.log 10989 Log file, useful mostly for debugging
Tune-31240-get.log 1559 Log file, useful mostly for debugging
Tune-31243-get.log 4069 Log file, useful mostly for debugging
Tune-31244-CJSurtees.abc 162 ABC music file with the extracted tune(s)
Tune-31244-CJSurtees.ps 6 PostScript
Tune-31244-CJSurtees.txt 162 Plain-text file with the extracted tune(s)
Tune-31244-get.log 213456 Log file, useful mostly for debugging
Tune-31245-get.log 5519 Log file, useful mostly for debugging
Tune-31247-get.log 3202 Log file, useful mostly for debugging
Tune-31249-get.log 4627 Log file, useful mostly for debugging
These files should be available for 24 hours.