pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4463-3193_Lady_Douglas_of_Bothwell.ps) >>/Users/jc/w/tmp/Tune-4463-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Gow/CR/3193_Lady_Douglas_of_Bothwell.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_44639.log 1229895 Log file, useful mostly for debugging
Tune-4463-3193_Lady_Douglas_of_Bothwell.abc 900 ABC music file with the extracted tune(s)
Tune-4463-3193_Lady_Douglas_of_Bothwell.ps 39410 PostScript
Tune-4463-3193_Lady_Douglas_of_Bothwell.txt 900 Plain-text file with the extracted tune(s)
Tune-4463-get.log 4873 Log file, useful mostly for debugging
Tune-44630-get.log 3756 Log file, useful mostly for debugging
Tune-44635-get.log 3934 Log file, useful mostly for debugging
Tune-44636-get.log 50975 Log file, useful mostly for debugging
Tune-44637-get.log 4437 Log file, useful mostly for debugging
Tune-44638-get.log 5567 Log file, useful mostly for debugging
Tune-44639-get.log 3764 Log file, useful mostly for debugging
These files should be available for 24 hours.