pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-36771-Dave_Kennedys_Gift.ps) >>/Users/jc/w/tmp/Tune-36771-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/CuzTeahan/SliabhLuachroOnParade/Dave_Kennedys_Gift.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_36771.log 264661 Log file, useful mostly for debugging
Tune-36771-Dave_Kennedys_Gift.abc 413 ABC music file with the extracted tune(s)
Tune-36771-Dave_Kennedys_Gift.ps 34202 PostScript
Tune-36771-Dave_Kennedys_Gift.txt 413 Plain-text file with the extracted tune(s)
Tune-36771-get.log 8444 Log file, useful mostly for debugging
These files should be available for 24 hours.