pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5799-20912_Wood_and_Married_and_a.ps) >>/Users/jc/w/tmp/Tune-5799-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/JamesOswald/CPC/all/20912_Wood_and_Married_and_a.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_57991.log 849 Log file, useful mostly for debugging
Tune-5799-20912_Wood_and_Married_and_a.abc 427 ABC music file with the extracted tune(s)
Tune-5799-20912_Wood_and_Married_and_a.ps 35809 PostScript
Tune-5799-20912_Wood_and_Married_and_a.txt 427 Plain-text file with the extracted tune(s)
Tune-5799-get.log 4826 Log file, useful mostly for debugging
Tune-57995-Chequered_Court1.abc 519 ABC music file with the extracted tune(s)
Tune-57995-Chequered_Court1.txt 519 Plain-text file with the extracted tune(s)
Tune-57995-get.log 3140 Log file, useful mostly for debugging
Tune-57999-get.log 5420 Log file, useful mostly for debugging
These files should be available for 24 hours.