pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3628-FillTheFetters3.ps) >>/Users/jc/w/tmp/Tune-3628-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/Scotland/FillTheFetters3.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_36282.log 146029 Log file, useful mostly for debugging
Coll_36289.log 461361 Log file, useful mostly for debugging
Tune-3628-FillTheFetters3.abc 2152 ABC music file with the extracted tune(s)
Tune-3628-FillTheFetters3.ps 56071 PostScript
Tune-3628-FillTheFetters3.txt 2152 Plain-text file with the extracted tune(s)
Tune-3628-get.log 4937 Log file, useful mostly for debugging
These files should be available for 24 hours.