Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/CCCCD/_.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9723-_.ps) >>/Users/jc/w/tmp/Tune-9723-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/CCCCD/_.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_97238.log 634811 Log file, useful mostly for debugging
Tune-9723-_.abc 139 ABC music file with the extracted tune(s)
Tune-9723-_.ps 6 PostScript
Tune-9723-_.txt 139 Plain-text file with the extracted tune(s)
Tune-9723-get.log 3885 Log file, useful mostly for debugging
Tune-97233-Hobarts_Transformation-Am-32-2.abc 466 ABC music file with the extracted tune(s)
Tune-97233-Hobarts_Transformation-Am-32-2.ps 33768 PostScript
Tune-97233-Hobarts_Transformation-Am-32-2.txt 466 Plain-text file with the extracted tune(s)
Tune-97233-get.log 5033 Log file, useful mostly for debugging
Tune-97234-get.log 1285 Log file, useful mostly for debugging
These files should be available for 24 hours.