pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-62118-2434_Hoop-De-Dooden_Doo.ps) >>/Users/jc/w/tmp/Tune-62118-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Kerr/MM2/2434_Hoop-De-Dooden_Doo.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
Tune-62118-2434_Hoop-De-Dooden_Doo.abc 442 ABC music file with the extracted tune(s)
Tune-62118-2434_Hoop-De-Dooden_Doo.ps 34251 PostScript
Tune-62118-2434_Hoop-De-Dooden_Doo.txt 442 Plain-text file with the extracted tune(s)
Tune-62118-get.log 5097 Log file, useful mostly for debugging
These files should be available for 24 hours.