pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5261-508_Duplin_House.ps) >>/Users/jc/w/tmp/Tune-5261-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/DftY/1803/Preston/508_Duplin_House.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_52610.log 1323231 Log file, useful mostly for debugging
Coll_52612.log 129903 Log file, useful mostly for debugging
Coll_52615.log 277305 Log file, useful mostly for debugging
Tune-5261-508_Duplin_House.abc 876 ABC music file with the extracted tune(s)
Tune-5261-508_Duplin_House.ps 35374 PostScript
Tune-5261-508_Duplin_House.txt 876 Plain-text file with the extracted tune(s)
Tune-5261-get.log 4591 Log file, useful mostly for debugging
Tune-52611-get.log 1404 Log file, useful mostly for debugging
Tune-52618-get.log 2790 Log file, useful mostly for debugging
These files should be available for 24 hours.