pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-14579-12_AdamsHornpipe.ps) >>/Users/jc/w/tmp/Tune-14579-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/DftY/1808/Goulding/12_AdamsHornpipe.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-14579-12_AdamsHornpipe.abc 1013 ABC music file with the extracted tune(s)
Tune-14579-12_AdamsHornpipe.ps 35522 PostScript
Tune-14579-12_AdamsHornpipe.txt 1013 Plain-text file with the extracted tune(s)
Tune-14579-get.log 14893 Log file, useful mostly for debugging
These files should be available for 24 hours.