pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4963-Speed_the_Plough_RJ.ps) >>/Users/jc/w/tmp/Tune-4963-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/Contra/reel/Speed_the_Plough_RJ.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_49639.log 141597 Log file, useful mostly for debugging
Form_49634.log 862 Log file, useful mostly for debugging
Tune-4963-Speed_the_Plough_RJ.abc 461 ABC music file with the extracted tune(s)
Tune-4963-Speed_the_Plough_RJ.ps 36245 PostScript
Tune-4963-Speed_the_Plough_RJ.txt 461 Plain-text file with the extracted tune(s)
Tune-4963-get.log 4863 Log file, useful mostly for debugging
These files should be available for 24 hours.