pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-72043-SpinneyStr1.ps) >>/Users/jc/w/tmp/Tune-72043-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/Scotland/SpinneyStr1.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
Form_72043.log 748 Log file, useful mostly for debugging
Tune-72043-SpinneyStr1.abc 612 ABC music file with the extracted tune(s)
Tune-72043-SpinneyStr1.ps 38756 PostScript
Tune-72043-SpinneyStr1.txt 612 Plain-text file with the extracted tune(s)
Tune-72043-get.log 4189 Log file, useful mostly for debugging
These files should be available for 24 hours.