pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1099-Aird1.ps) >>/Users/jc/w/tmp/Tune-1099-get.log 2>&1" returned status 256
http://www.gulfweb.net/rlwalker/abc/Aird1.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-1099-Aird1.abc 396 ABC music file with the extracted tune(s)
Tune-1099-Aird1.ps 35254 PostScript
Tune-1099-Aird1.txt 396 Plain-text file with the extracted tune(s)
Tune-1099-get.log 4141 Log file, useful mostly for debugging
These files should be available for 24 hours.