pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8383-stool.ps) >>/Users/jc/w/tmp/Tune-8383-get.log 2>&1" returned status 256
http://www.nigelgatherer.com/tunes/abc/abc8/stool.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-8383-get.log 4337 Log file, useful mostly for debugging
Tune-8383-stool.abc 271 ABC music file with the extracted tune(s)
Tune-8383-stool.ps 34539 PostScript
Tune-8383-stool.txt 271 Plain-text file with the extracted tune(s)
Tune-83836-MissSusanInglis.abc 379 ABC music file with the extracted tune(s)
Tune-83836-MissSusanInglis.malt 2416 Musical Instrument Digital Interface, alternate name for midi format
Tune-83836-MissSusanInglis.mid 2416 Musical Instrument Digital interface, shortened name for midi format
Tune-83836-MissSusanInglis.midi 2416 Musical Instrument Digital Interface, electronic version of the tune(s)
Tune-83836-MissSusanInglis.txt 379 Plain-text file with the extracted tune(s)
Tune-83836-get.log 4567 Log file, useful mostly for debugging
These files should be available for 24 hours.