pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-51633-abcproj.ps) >>/Users/jc/w/tmp/Tune-51633-get.log 2>&1" returned status 256
http://fiddletech.com/music/abcproj.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-51633-abcproj.abc 212 ABC music file with the extracted tune(s)
Tune-51633-abcproj.ps 34356 PostScript
Tune-51633-abcproj.txt 212 Plain-text file with the extracted tune(s)
Tune-51633-get.log 4015 Log file, useful mostly for debugging
These files should be available for 24 hours.