pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8359-NewStrathspeyReel.ps) >>/Users/jc/w/tmp/Tune-8359-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/contrib/Tunes/NewStrathspeyReel.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_83594.log 873401 Log file, useful mostly for debugging
Form_83596.log 780 Log file, useful mostly for debugging
Tune-8359-NewStrathspeyReel.abc 420 ABC music file with the extracted tune(s)
Tune-8359-NewStrathspeyReel.ps 36091 PostScript
Tune-8359-NewStrathspeyReel.txt 420 Plain-text file with the extracted tune(s)
Tune-8359-get.log 11826 Log file, useful mostly for debugging
These files should be available for 24 hours.