pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-41262-CornerAfterCornerAfterCorner.ps) >>/Users/jc/w/tmp/Tune-41262-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/Scotland/CornerAfterCornerAfterCorner.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_41262.log 469791 Log file, useful mostly for debugging
Tune-41262-CornerAfterCornerAfterCorner.abc 209 ABC music file with the extracted tune(s)
Tune-41262-CornerAfterCornerAfterCorner.ps 30691 PostScript
Tune-41262-CornerAfterCornerAfterCorner.txt 209 Plain-text file with the extracted tune(s)
Tune-41262-get.log 5322 Log file, useful mostly for debugging
These files should be available for 24 hours.