pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9645-Graces_THO4_126_The.ps) >>/Users/jc/w/tmp/Tune-9645-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Thompson/Graces_THO4_126_The.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_96452.log 596209 Log file, useful mostly for debugging
Coll_96453.log 261219 Log file, useful mostly for debugging
Form_96458.log 822 Log file, useful mostly for debugging
Tune-9645-Graces_THO4_126_The.abc 493 ABC music file with the extracted tune(s)
Tune-9645-Graces_THO4_126_The.ps 38118 PostScript
Tune-9645-Graces_THO4_126_The.txt 493 Plain-text file with the extracted tune(s)
Tune-9645-get.log 7534 Log file, useful mostly for debugging
Tune-96454-get.log 3228 Log file, useful mostly for debugging
Tune-96455-get.log 5501 Log file, useful mostly for debugging
These files should be available for 24 hours.