pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4131-Horseplay.ps) >>/Users/jc/w/tmp/Tune-4131-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/england/Horseplay.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_41312.log 418751 Log file, useful mostly for debugging
Coll_41314.log 452931 Log file, useful mostly for debugging
Coll_41318.log 1980686 Log file, useful mostly for debugging
Form_41311.log 817 Log file, useful mostly for debugging
Tune-4131-Horseplay.abc 1609 ABC music file with the extracted tune(s)
Tune-4131-Horseplay.ps 41602 PostScript
Tune-4131-Horseplay.txt 1609 Plain-text file with the extracted tune(s)
Tune-4131-get.log 4325 Log file, useful mostly for debugging
Tune-41313-get.log 1370 Log file, useful mostly for debugging
Tune-41315-get.log 4048 Log file, useful mostly for debugging
Tune-41318-get.log 44846 Log file, useful mostly for debugging
These files should be available for 24 hours.