pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5270-MemoriesOfMaryAnn.ps) >>/Users/jc/w/tmp/Tune-5270-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Scotland/MemoriesOfMaryAnn.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_52707.log 438810 Log file, useful mostly for debugging
Form_52700.log 1828 Log file, useful mostly for debugging
Form_52709.log 856 Log file, useful mostly for debugging
Tune-5270-MemoriesOfMaryAnn.abc 1313 ABC music file with the extracted tune(s)
Tune-5270-MemoriesOfMaryAnn.ps 45511 PostScript
Tune-5270-MemoriesOfMaryAnn.txt 1313 Plain-text file with the extracted tune(s)
Tune-5270-get.log 4993 Log file, useful mostly for debugging
Tune-52701-get.log 1281 Log file, useful mostly for debugging
Tune-52704-get.log 1728 Log file, useful mostly for debugging
Tune-52706-get.log 4937 Log file, useful mostly for debugging
Tune-52709-get.log 1275 Log file, useful mostly for debugging
These files should be available for 24 hours.