pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-35188-Book39.ps) >>/Users/jc/w/tmp/Tune-35188-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/SCD/Book39.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-35188-Book39.abc 607 ABC music file with the extracted tune(s)
Tune-35188-Book39.ps 39063 PostScript
Tune-35188-Book39.txt 607 Plain-text file with the extracted tune(s)
Tune-35188-get.log 4156 Log file, useful mostly for debugging
These files should be available for 24 hours.