pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9163-Devil_in_the_Kitchen_A4.ps) >>/Users/jc/w/tmp/Tune-9163-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/Scotland/reel/Devil_in_the_Kitchen_A4.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_91635.log 143412 Log file, useful mostly for debugging
Form_91633.log 837 Log file, useful mostly for debugging
Form_91639.log 837 Log file, useful mostly for debugging
Tune-9163-Devil_in_the_Kitchen_A4.abc 633 ABC music file with the extracted tune(s)
Tune-9163-Devil_in_the_Kitchen_A4.ps 38819 PostScript
Tune-9163-Devil_in_the_Kitchen_A4.txt 633 Plain-text file with the extracted tune(s)
Tune-9163-get.log 5175 Log file, useful mostly for debugging
Tune-91636-C-hornpipe.abc 788 ABC music file with the extracted tune(s)
Tune-91636-C-hornpipe.txt 788 Plain-text file with the extracted tune(s)
Tune-91636-get.log 3176 Log file, useful mostly for debugging
Tune-91638-get.log 3963 Log file, useful mostly for debugging
These files should be available for 24 hours.