pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-72912-Scarce_O_Tatties.ps) >>/Users/jc/w/tmp/Tune-72912-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/oldfarmersball.com/jig/Scarce_O_Tatties.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-72912-Scarce_O_Tatties.abc 447 ABC music file with the extracted tune(s)
Tune-72912-Scarce_O_Tatties.ps 35084 PostScript
Tune-72912-Scarce_O_Tatties.txt 447 Plain-text file with the extracted tune(s)
Tune-72912-get.log 5189 Log file, useful mostly for debugging
These files should be available for 24 hours.