pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6605-DoubtfulShepherd.ps) >>/Users/jc/w/tmp/Tune-6605-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/england/DoubtfulShepherd.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_66052.log 253420 Log file, useful mostly for debugging
Coll_66055.log 136355 Log file, useful mostly for debugging
Coll_66058.log 776603 Log file, useful mostly for debugging
Coll_66059.log 247801 Log file, useful mostly for debugging
Form_66055.log 866 Log file, useful mostly for debugging
Tune-6605-DoubtfulShepherd.abc 1599 ABC music file with the extracted tune(s)
Tune-6605-DoubtfulShepherd.ps 40980 PostScript
Tune-6605-DoubtfulShepherd.txt 1599 Plain-text file with the extracted tune(s)
Tune-6605-get.log 177430 Log file, useful mostly for debugging
Tune-66053-get.log 3681 Log file, useful mostly for debugging
Tune-66055-get.log 5386 Log file, useful mostly for debugging
Tune-66058-get.log 44457 Log file, useful mostly for debugging
These files should be available for 24 hours.