pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-93571-tb15.ps) >>/Users/jc/w/tmp/Tune-93571-get.log 2>&1" returned status 256
http://nigelgatherer.com/tunes/abc/tb15.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
Coll_93571.log 63914 Log file, useful mostly for debugging
Tune-93571-get.log 4062 Log file, useful mostly for debugging
Tune-93571-tb15.abc 187 ABC music file with the extracted tune(s)
Tune-93571-tb15.ps 32873 PostScript
Tune-93571-tb15.txt 187 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.