Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/dup/tune.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-235-tune.ps) >>/Users/jc/w/tmp/Tune-235-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/dup/tune.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_23512.log 273090 Log file, useful mostly for debugging
Coll_23520.log 690379 Log file, useful mostly for debugging
Coll_23523.log 273090 Log file, useful mostly for debugging
Coll_2353.log 273089 Log file, useful mostly for debugging
Coll_23535.log 273090 Log file, useful mostly for debugging
Coll_2354.log 548988 Log file, useful mostly for debugging
Coll_23546.log 160864 Log file, useful mostly for debugging
Coll_23547.log 273090 Log file, useful mostly for debugging
Coll_23551.log 670709 Log file, useful mostly for debugging
Coll_23568.log 273090 Log file, useful mostly for debugging
Coll_23579.log 273090 Log file, useful mostly for debugging
Coll_23584.log 645418 Log file, useful mostly for debugging
Coll_23590.log 273090 Log file, useful mostly for debugging
Tune-235-get.log 3917 Log file, useful mostly for debugging
Tune-235-tune.abc 140 ABC music file with the extracted tune(s)
Tune-235-tune.ps 6 PostScript
Tune-235-tune.txt 140 Plain-text file with the extracted tune(s)
Tune-23503-get.log 1392 Log file, useful mostly for debugging
Tune-23508-get.log 1451 Log file, useful mostly for debugging
Tune-23511-get.log 1448 Log file, useful mostly for debugging
Tune-23516-get.log 1331 Log file, useful mostly for debugging
Tune-23531-get.log 1443 Log file, useful mostly for debugging
Tune-23536-get.log 1409 Log file, useful mostly for debugging
Tune-23542-get.log 1477 Log file, useful mostly for debugging
Tune-23546-get.log 1473 Log file, useful mostly for debugging
Tune-23562-get.log 1522 Log file, useful mostly for debugging
Tune-23567-get.log 1519 Log file, useful mostly for debugging
Tune-23575-get.log 1519 Log file, useful mostly for debugging
Tune-23580-get.log 1439 Log file, useful mostly for debugging
Tune-23595-get.log 1411 Log file, useful mostly for debugging
These files should be available for 24 hours.