pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-62039-Petronella_6.ps) >>/Users/jc/w/tmp/Tune-62039-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/kirby98.fsnet.co.uk/pe/Petronella_6.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
Form_62039.log 780 Log file, useful mostly for debugging
Tune-62039-Petronella_6.abc 291 ABC music file with the extracted tune(s)
Tune-62039-Petronella_6.ps 35435 PostScript
Tune-62039-Petronella_6.txt 291 Plain-text file with the extracted tune(s)
Tune-62039-get.log 4457 Log file, useful mostly for debugging
These files should be available for 24 hours.