pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-82012-Heather_Hill-G-32-4.ps) >>/Users/jc/w/tmp/Tune-82012-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/session/reel/Heather_Hill-G-32-4.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
Tune-82012-Heather_Hill-G-32-4.abc 588 ABC music file with the extracted tune(s)
Tune-82012-Heather_Hill-G-32-4.ps 35956 PostScript
Tune-82012-Heather_Hill-G-32-4.txt 588 Plain-text file with the extracted tune(s)
Tune-82012-get.log 4818 Log file, useful mostly for debugging
These files should be available for 24 hours.