pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7800-452_Marione.ps) >>/Users/jc/w/tmp/Tune-7800-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/DftY/1776/Thompson/452_Marione.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_78001.log 261851 Log file, useful mostly for debugging
Coll_78008.log 724617 Log file, useful mostly for debugging
Tune-7800-452_Marione.abc 963 ABC music file with the extracted tune(s)
Tune-7800-452_Marione.ps 34601 PostScript
Tune-7800-452_Marione.txt 963 Plain-text file with the extracted tune(s)
Tune-7800-get.log 33678 Log file, useful mostly for debugging
Tune-78000-get.log 26228 Log file, useful mostly for debugging
Tune-78003-get.log 5869 Log file, useful mostly for debugging
Tune-78004-get.log 9713 Log file, useful mostly for debugging
Tune-78005-get.log 3505 Log file, useful mostly for debugging
These files should be available for 24 hours.