pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4293-CelticTunes.ps) >>/Users/jc/w/tmp/Tune-4293-get.log 2>&1" returned status 256
http://www.gulfweb.net/rlwalker/abc/!ABCCollections/CelticTunes.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
Find_42938.log 1475 Log file, useful mostly for debugging
Form_42937.log 846 Log file, useful mostly for debugging
Tune-4293-CelticTunes.abc 246 ABC music file with the extracted tune(s)
Tune-4293-CelticTunes.ps 35320 PostScript
Tune-4293-CelticTunes.txt 246 Plain-text file with the extracted tune(s)
Tune-4293-get.log 4434 Log file, useful mostly for debugging
Tune-42931-get.log 3168 Log file, useful mostly for debugging
These files should be available for 24 hours.