pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-15603-39091-Prince_Charles_of_Edinburgh-1.ps) >>/Users/jc/w/tmp/Tune-15603-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/SCD/Book39/39091-Prince_Charles_of_Edinburgh-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
Tune-15603-39091-Prince_Charles_of_Edinburgh-1.abc 467 ABC music file with the extracted tune(s)
Tune-15603-39091-Prince_Charles_of_Edinburgh-1.ps 35843 PostScript
Tune-15603-39091-Prince_Charles_of_Edinburgh-1.txt 467 Plain-text file with the extracted tune(s)
Tune-15603-get.log 4981 Log file, useful mostly for debugging
These files should be available for 24 hours.