pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5276-Da_Auld_Resting_Chair.ps) >>/Users/jc/w/tmp/Tune-5276-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/thisoldtractor.com/Da_Auld_Resting_Chair.abc

Error exit status 256; here are some files to check:
[P=get.cgi V=1/1 B=0 scale=0.60 512x512 PNG]
filesizedescription
Coll_52765.log 141597 Log file, useful mostly for debugging
Coll_52767.log 144017 Log file, useful mostly for debugging
Coll_52769.log 144017 Log file, useful mostly for debugging
Form_52769.log 829 Log file, useful mostly for debugging
List52768.log 90 Log file, useful mostly for debugging
Tune-5276-Da_Auld_Resting_Chair.abc 734 ABC music file with the extracted tune(s)
Tune-5276-Da_Auld_Resting_Chair.ps 25512 PostScript
Tune-5276-Da_Auld_Resting_Chair.txt 734 Plain-text file with the extracted tune(s)
Tune-5276-get.log 4764 Log file, useful mostly for debugging
Tune-52763-get.log 3267 Log file, useful mostly for debugging
These files should be available for 24 hours.