pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2863-094_Oats_and_Beans.ps) >>/Users/jc/w/tmp/Tune-2863-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/EverydaySongBook/094_Oats_and_Beans.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_28639.log 319463 Log file, useful mostly for debugging
Tune-2863-094_Oats_and_Beans.abc 1359 ABC music file with the extracted tune(s)
Tune-2863-094_Oats_and_Beans.ps 37799 PostScript
Tune-2863-094_Oats_and_Beans.txt 1359 Plain-text file with the extracted tune(s)
Tune-2863-get.log 4635 Log file, useful mostly for debugging
Tune-28634-get.log 1343 Log file, useful mostly for debugging
These files should be available for 24 hours.