pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-72439-51_DingDongBell.ps) >>/Users/jc/w/tmp/Tune-72439-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/DftY/1791/Thompson/51_DingDongBell.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_72439.log 643994 Log file, useful mostly for debugging
Tune-72439-51_DingDongBell.abc 778 ABC music file with the extracted tune(s)
Tune-72439-51_DingDongBell.ps 34329 PostScript
Tune-72439-51_DingDongBell.txt 778 Plain-text file with the extracted tune(s)
Tune-72439-get.log 4602 Log file, useful mostly for debugging
These files should be available for 24 hours.