pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-77408-Pretty_Nancy_of_Yarmouth.ps) >>/Users/jc/w/tmp/Tune-77408-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/back.numachi.com/Pretty_Nancy_of_Yarmouth.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-77408-Pretty_Nancy_of_Yarmouth.abc 232 ABC music file with the extracted tune(s)
Tune-77408-Pretty_Nancy_of_Yarmouth.ps 33766 PostScript
Tune-77408-Pretty_Nancy_of_Yarmouth.txt 232 Plain-text file with the extracted tune(s)
Tune-77408-get.log 4708 Log file, useful mostly for debugging
These files should be available for 24 hours.