pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-81514-21415.ps) >>/Users/jc/w/tmp/Tune-81514-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Hamilton/HUTB2/21415=Lutzows_Wild_Chase-V2.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-81514-21415.abc 937 ABC music file with the extracted tune(s)
Tune-81514-21415.ps 35579 PostScript
Tune-81514-21415.txt 937 Plain-text file with the extracted tune(s)
Tune-81514-get.log 5196 Log file, useful mostly for debugging
These files should be available for 24 hours.