pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-17440-allklez.ps) >>/Users/jc/w/tmp/Tune-17440-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/ifdo.pugmarks.com/~seymour/runabc/allklez/%83:BOBOVERWEDDINGMARCHD.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-17440-allklez.abc 754 ABC music file with the extracted tune(s)
Tune-17440-allklez.ps 37985 PostScript
Tune-17440-allklez.txt 754 Plain-text file with the extracted tune(s)
Tune-17440-get.log 5084 Log file, useful mostly for debugging
These files should be available for 24 hours.