pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5923-Book02.ps) >>/Users/jc/w/tmp/Tune-5923-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/SCD/Book02.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_59230.log 274566 Log file, useful mostly for debugging
Coll_59234.log 144017 Log file, useful mostly for debugging
Coll_59236.log 261969 Log file, useful mostly for debugging
Form_5923.log 822 Log file, useful mostly for debugging
Form_59238.log 836 Log file, useful mostly for debugging
Tune-5923-Book02.abc 568 ABC music file with the extracted tune(s)
Tune-5923-Book02.ps 39135 PostScript
Tune-5923-Book02.txt 568 Plain-text file with the extracted tune(s)
Tune-5923-get.log 4121 Log file, useful mostly for debugging
Tune-59233-get.log 5882 Log file, useful mostly for debugging
These files should be available for 24 hours.