pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7809-1556-1624_mh.ps) >>/Users/jc/w/tmp/Tune-7809-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/oneills/1850/F/1556-1624_mh.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_78093.log 66074 Log file, useful mostly for debugging
Coll_78099.log 68504 Log file, useful mostly for debugging
Tune-7809-1556-1624_mh.abc 464 ABC music file with the extracted tune(s)
Tune-7809-1556-1624_mh.ps 39526 PostScript
Tune-7809-1556-1624_mh.txt 464 Plain-text file with the extracted tune(s)
Tune-7809-get.log 4279 Log file, useful mostly for debugging
Tune-78092-get.log 3165 Log file, useful mostly for debugging
Tune-78097-get.log 3282 Log file, useful mostly for debugging
These files should be available for 24 hours.