pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-40785-Book1.ps) >>/Users/jc/w/tmp/Tune-40785-get.log 2>&1" returned status 256
http://www.gulfweb.net/rlwalker/abc/Book1.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-40785-Book1.abc 431 ABC music file with the extracted tune(s)
Tune-40785-Book1.ps 35478 PostScript
Tune-40785-Book1.txt 431 Plain-text file with the extracted tune(s)
Tune-40785-get.log 4147 Log file, useful mostly for debugging
These files should be available for 24 hours.