pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3122-GraelyndaStr.ps) >>/Users/jc/w/tmp/Tune-3122-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/Scotland/GraelyndaStr.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_31221.log 452931 Log file, useful mostly for debugging
Tune-3122-GraelyndaStr.abc 780 ABC music file with the extracted tune(s)
Tune-3122-GraelyndaStr.ps 38192 PostScript
Tune-3122-GraelyndaStr.txt 780 Plain-text file with the extracted tune(s)
Tune-3122-get.log 4845 Log file, useful mostly for debugging
These files should be available for 24 hours.