pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-27976-152_Yanky_Doodle.ps) >>/Users/jc/w/tmp/Tune-27976-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/JohnTreat/GftF/152_Yanky_Doodle.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Form_27976.log 970 Log file, useful mostly for debugging
Tune-27976-152_Yanky_Doodle.abc 708 ABC music file with the extracted tune(s)
Tune-27976-152_Yanky_Doodle.ps 34009 PostScript
Tune-27976-152_Yanky_Doodle.txt 708 Plain-text file with the extracted tune(s)
Tune-27976-get.log 4585 Log file, useful mostly for debugging
These files should be available for 24 hours.