pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-97769-912_First_of_April.ps) >>/Users/jc/w/tmp/Tune-97769-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/DftY/1780/Thompson/912_First_of_April.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-97769-912_First_of_April.abc 798 ABC music file with the extracted tune(s)
Tune-97769-912_First_of_April.ps 33851 PostScript
Tune-97769-912_First_of_April.txt 798 Plain-text file with the extracted tune(s)
Tune-97769-get.log 4685 Log file, useful mostly for debugging
These files should be available for 24 hours.