pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-70086-Four_Squares_on_the_Griddle.ps) >>/Users/jc/w/tmp/Tune-70086-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/CuzTeahan/SliabhLuachroOnParade/Four_Squares_on_the_Griddle.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Tune-70086-Four_Squares_on_the_Griddle.abc 409 ABC music file with the extracted tune(s)
Tune-70086-Four_Squares_on_the_Griddle.ps 33763 PostScript
Tune-70086-Four_Squares_on_the_Griddle.txt 409 Plain-text file with the extracted tune(s)
Tune-70086-get.log 5046 Log file, useful mostly for debugging
These files should be available for 24 hours.