pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5052-1041_Lord_Eglintouns_auld_man.ps) >>/Users/jc/w/tmp/Tune-5052-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Gow/CR/1041_Lord_Eglintouns_auld_man.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_50525.log 1245350 Log file, useful mostly for debugging
Form_5052.log 873 Log file, useful mostly for debugging
Form_50521.log 1106 Log file, useful mostly for debugging
Tune-5052-1041_Lord_Eglintouns_auld_man.abc 1146 ABC music file with the extracted tune(s)
Tune-5052-1041_Lord_Eglintouns_auld_man.ps 41618 PostScript
Tune-5052-1041_Lord_Eglintouns_auld_man.txt 1146 Plain-text file with the extracted tune(s)
Tune-5052-get.log 4903 Log file, useful mostly for debugging
Tune-50520-get.log 3142 Log file, useful mostly for debugging
Tune-50522-get.log 4048 Log file, useful mostly for debugging
Tune-50526-get.log 5415 Log file, useful mostly for debugging
These files should be available for 24 hours.