pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-75791-petronellathistle.ps) >>/Users/jc/w/tmp/Tune-75791-get.log 2>&1" returned status 256
http://www.gulfweb.net/rlwalker/abc/petronellathistle.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
Form_75791.log 721 Log file, useful mostly for debugging
Tune-75791-get.log 4292 Log file, useful mostly for debugging
Tune-75791-petronellathistle.abc 334 ABC music file with the extracted tune(s)
Tune-75791-petronellathistle.ps 37498 PostScript
Tune-75791-petronellathistle.txt 334 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.