Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/hambo/cresc.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1005-cresc.ps) >>/Users/jc/w/tmp/Tune-1005-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/hambo/cresc.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_10059.log 117036 Log file, useful mostly for debugging
Form_10056.log 1003 Log file, useful mostly for debugging
Tune-1005-cresc.abc 143 ABC music file with the extracted tune(s)
Tune-1005-cresc.ps 6 PostScript
Tune-1005-cresc.txt 143 Plain-text file with the extracted tune(s)
Tune-1005-get.log 3967 Log file, useful mostly for debugging
Tune-10050-get.log 4484 Log file, useful mostly for debugging
Tune-10052-get.log 1382 Log file, useful mostly for debugging
Tune-10054-get.log 4855 Log file, useful mostly for debugging
Tune-10055-get.log 8682 Log file, useful mostly for debugging
Tune-10056-get.log 1382 Log file, useful mostly for debugging
Tune-10057-get.log 4692 Log file, useful mostly for debugging
Tune-10058-get.log 5050 Log file, useful mostly for debugging
Tune-10059-get.log 3894 Log file, useful mostly for debugging
Tune-10059-proto.abc 143 ABC music file with the extracted tune(s)
Tune-10059-proto.ps 6 PostScript
Tune-10059-proto.txt 143 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.