pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-65217-139_Irish_Mans_Choice.ps) >>/Users/jc/w/tmp/Tune-65217-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/JohnJohnson/V8/139_Irish_Mans_Choice.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-65217-139_Irish_Mans_Choice.abc 734 ABC music file with the extracted tune(s)
Tune-65217-139_Irish_Mans_Choice.ps 35134 PostScript
Tune-65217-139_Irish_Mans_Choice.txt 734 Plain-text file with the extracted tune(s)
Tune-65217-get.log 5647 Log file, useful mostly for debugging
These files should be available for 24 hours.