pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7017-4231_Banff_Castle.ps) >>/Users/jc/w/tmp/Tune-7017-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Gow/CR/4231_Banff_Castle.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_70173.log 1401306 Log file, useful mostly for debugging
Tune-7017-4231_Banff_Castle.abc 877 ABC music file with the extracted tune(s)
Tune-7017-4231_Banff_Castle.ps 38751 PostScript
Tune-7017-4231_Banff_Castle.txt 877 Plain-text file with the extracted tune(s)
Tune-7017-get.log 4552 Log file, useful mostly for debugging
Tune-70173-get.log 4337 Log file, useful mostly for debugging
Tune-70176-get.log 4198 Log file, useful mostly for debugging
These files should be available for 24 hours.