pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-30547-Jamie_Allen_G3.ps) >>/Users/jc/w/tmp/Tune-30547-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/session/PF/Belmont/Jamie_Allen/Jamie_Allen_G3.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-30547-Jamie_Allen_G3.abc 587 ABC music file with the extracted tune(s)
Tune-30547-Jamie_Allen_G3.ps 34709 PostScript
Tune-30547-Jamie_Allen_G3.txt 587 Plain-text file with the extracted tune(s)
Tune-30547-get.log 5806 Log file, useful mostly for debugging
These files should be available for 24 hours.