pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-77191-Strone_Johnny_1.ps) >>/Users/jc/w/tmp/Tune-77191-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Perron-Miller/Strone_Johnny_1.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
Form_77191.log 920 Log file, useful mostly for debugging
Tune-77191-Strone_Johnny_1.abc 521 ABC music file with the extracted tune(s)
Tune-77191-Strone_Johnny_1.ps 36239 PostScript
Tune-77191-Strone_Johnny_1.txt 521 Plain-text file with the extracted tune(s)
Tune-77191-get.log 5271 Log file, useful mostly for debugging
These files should be available for 24 hours.