pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5629-YoungWidow.ps) >>/Users/jc/w/tmp/Tune-5629-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/england/YoungWidow.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_56293.log 438881 Log file, useful mostly for debugging
Coll_56296.log 550396 Log file, useful mostly for debugging
Form_56292.log 1182 Log file, useful mostly for debugging
Form_56295.log 875 Log file, useful mostly for debugging
Form_56296.log 1172 Log file, useful mostly for debugging
Form_56299.log 815 Log file, useful mostly for debugging
Tune-5629-YoungWidow.abc 1796 ABC music file with the extracted tune(s)
Tune-5629-YoungWidow.ps 43246 PostScript
Tune-5629-YoungWidow.txt 1796 Plain-text file with the extracted tune(s)
Tune-5629-get.log 4353 Log file, useful mostly for debugging
Tune-56293-get.log 6047 Log file, useful mostly for debugging
Tune-56294-get.log 4449 Log file, useful mostly for debugging
Tune-56299-get.log 45594 Log file, useful mostly for debugging
These files should be available for 24 hours.