pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-65009-3100_Largo_Law.ps) >>/Users/jc/w/tmp/Tune-65009-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Kerr/MM3/3100_Largo_Law.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
Tune-65009-3100_Largo_Law.abc 365 ABC music file with the extracted tune(s)
Tune-65009-3100_Largo_Law.ps 34124 PostScript
Tune-65009-3100_Largo_Law.txt 365 Plain-text file with the extracted tune(s)
Tune-65009-get.log 4230 Log file, useful mostly for debugging
These files should be available for 24 hours.