pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-73992-Jack_Satin.ps) >>/Users/jc/w/tmp/Tune-73992-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/CJSurtees/Jack_Satin.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.65 512x512 PNG]
filesizedescription
Tune-73992-Jack_Satin.abc 670 ABC music file with the extracted tune(s)
Tune-73992-Jack_Satin.ps 34787 PostScript
Tune-73992-Jack_Satin.txt 670 Plain-text file with the extracted tune(s)
Tune-73992-get.log 4386 Log file, useful mostly for debugging
These files should be available for 24 hours.