pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-78858-1810_Button_Whitaker.ps) >>/Users/jc/w/tmp/Tune-78858-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/DftY/1810_Button_Whitaker.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.65 512x512 PNG]
filesizedescription
Coll_78858.log 146734 Log file, useful mostly for debugging
Tune-78858-1810_Button_Whitaker.abc 19590 ABC music file with the extracted tune(s)
Tune-78858-1810_Button_Whitaker.ps 130911 PostScript
Tune-78858-1810_Button_Whitaker.txt 19590 Plain-text file with the extracted tune(s)
Tune-78858-get.log 18307 Log file, useful mostly for debugging
These files should be available for 24 hours.