pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-19983-509_Lord_Albermarles_Reel.ps) >>/Users/jc/w/tmp/Tune-19983-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/DftY/1803/Preston/509_Lord_Albermarles_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
Coll_19983.log 287140 Log file, useful mostly for debugging
Tune-19983-509_Lord_Albermarles_Reel.abc 925 ABC music file with the extracted tune(s)
Tune-19983-509_Lord_Albermarles_Reel.ps 35993 PostScript
Tune-19983-509_Lord_Albermarles_Reel.txt 925 Plain-text file with the extracted tune(s)
Tune-19983-get.log 4854 Log file, useful mostly for debugging
These files should be available for 24 hours.