pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-54437-402_Mr_Fletchers_Reel.ps) >>/Users/jc/w/tmp/Tune-54437-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/WilliamChristie/402_Mr_Fletchers_Reel.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Tune-54437-402_Mr_Fletchers_Reel.abc 957 ABC music file with the extracted tune(s)
Tune-54437-402_Mr_Fletchers_Reel.ps 37319 PostScript
Tune-54437-402_Mr_Fletchers_Reel.txt 957 Plain-text file with the extracted tune(s)
Tune-54437-get.log 4734 Log file, useful mostly for debugging
These files should be available for 24 hours.