pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-26779-Alston_Hornpipe.ps) >>/Users/jc/w/tmp/Tune-26779-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/BruceShawyer/hornpipe/Alston_Hornpipe.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
Coll_26779.log 65264 Log file, useful mostly for debugging
Tune-26779-Alston_Hornpipe.abc 859 ABC music file with the extracted tune(s)
Tune-26779-Alston_Hornpipe.ps 38130 PostScript
Tune-26779-Alston_Hornpipe.txt 859 Plain-text file with the extracted tune(s)
Tune-26779-get.log 4559 Log file, useful mostly for debugging
These files should be available for 24 hours.