pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-27024-201_Visiting_Day.ps) >>/Users/jc/w/tmp/Tune-27024-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Straight_Skillern/201_Visiting_Day.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Form_27024.log 987 Log file, useful mostly for debugging
Tune-27024-201_Visiting_Day.abc 787 ABC music file with the extracted tune(s)
Tune-27024-201_Visiting_Day.ps 33653 PostScript
Tune-27024-201_Visiting_Day.txt 787 Plain-text file with the extracted tune(s)
Tune-27024-get.log 4660 Log file, useful mostly for debugging
These files should be available for 24 hours.