pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6530-CatheEwestotheKnows.ps) >>/Users/jc/w/tmp/Tune-6530-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/OFPC/T/CatheEwestotheKnows.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_65303.log 67424 Log file, useful mostly for debugging
Coll_65309.log 64454 Log file, useful mostly for debugging
Form_65301.log 863 Log file, useful mostly for debugging
Form_65306.log 719 Log file, useful mostly for debugging
Tune-6530-CatheEwestotheKnows.abc 304 ABC music file with the extracted tune(s)
Tune-6530-CatheEwestotheKnows.ps 34676 PostScript
Tune-6530-CatheEwestotheKnows.txt 304 Plain-text file with the extracted tune(s)
Tune-6530-get.log 4531 Log file, useful mostly for debugging
Tune-65301-get.log 3868 Log file, useful mostly for debugging
Tune-65302-get.log 3723 Log file, useful mostly for debugging
Tune-65305-get.log 4316 Log file, useful mostly for debugging
Tune-65309-get.log 4461 Log file, useful mostly for debugging
These files should be available for 24 hours.