pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-42114-CurrieMountain1.ps) >>/Users/jc/w/tmp/Tune-42114-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/Scotland/CurrieMountain1.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_42114.log 894 Log file, useful mostly for debugging
Tune-42114-CurrieMountain1.abc 505 ABC music file with the extracted tune(s)
Tune-42114-CurrieMountain1.ps 35967 PostScript
Tune-42114-CurrieMountain1.txt 505 Plain-text file with the extracted tune(s)
Tune-42114-get.log 4540 Log file, useful mostly for debugging
These files should be available for 24 hours.