pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-29993-10321_Banks_of_Doon.ps) >>/Users/jc/w/tmp/Tune-29993-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/ERM/10321_Banks_of_Doon.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Form_29993.log 868 Log file, useful mostly for debugging
Tune-29993-10321_Banks_of_Doon.abc 537 ABC music file with the extracted tune(s)
Tune-29993-10321_Banks_of_Doon.ps 35061 PostScript
Tune-29993-10321_Banks_of_Doon.txt 537 Plain-text file with the extracted tune(s)
Tune-29993-get.log 4579 Log file, useful mostly for debugging
These files should be available for 24 hours.