pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-27666-Whites_Hornpipe.ps) >>/Users/jc/w/tmp/Tune-27666-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/CJSurtees/Whites_Hornpipe.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.65 512x512 PNG]
filesizedescription
Form_27666.log 795 Log file, useful mostly for debugging
Tune-27666-Whites_Hornpipe.abc 800 ABC music file with the extracted tune(s)
Tune-27666-Whites_Hornpipe.ps 35324 PostScript
Tune-27666-Whites_Hornpipe.txt 800 Plain-text file with the extracted tune(s)
Tune-27666-get.log 4524 Log file, useful mostly for debugging
These files should be available for 24 hours.