pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-42420-ImLookingOverAFourLeafCloverG.ps) >>/Users/jc/w/tmp/Tune-42420-get.log 2>&1" returned status 256
http://www.gulfweb.net/rlwalker/abc/ImLookingOverAFourLeafCloverG.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_42420.log 70664 Log file, useful mostly for debugging
Form_42420.log 750 Log file, useful mostly for debugging
Tune-42420-ImLookingOverAFourLeafCloverG.abc 803 ABC music file with the extracted tune(s)
Tune-42420-ImLookingOverAFourLeafCloverG.ps 37387 PostScript
Tune-42420-ImLookingOverAFourLeafCloverG.txt 803 Plain-text file with the extracted tune(s)
Tune-42420-get.log 4757 Log file, useful mostly for debugging
These files should be available for 24 hours.