pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5732-Book29.ps) >>/Users/jc/w/tmp/Tune-5732-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/SCD/Book29.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_5732.log 260559 Log file, useful mostly for debugging
Coll_57329.log 152487 Log file, useful mostly for debugging
Tune-5732-Book29.abc 559 ABC music file with the extracted tune(s)
Tune-5732-Book29.ps 37618 PostScript
Tune-5732-Book29.txt 559 Plain-text file with the extracted tune(s)
Tune-5732-get.log 4135 Log file, useful mostly for debugging
Tune-57321-get.log 1446 Log file, useful mostly for debugging
Tune-57325-get.log 4619 Log file, useful mostly for debugging
These files should be available for 24 hours.