pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6837-OSJ_addendum.ps) >>/Users/jc/w/tmp/Tune-6837-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/SeymourShlien/ottawaslowjam/OSJ_addendum/%307:BALKANHILLSSCHOTTISCHE.abc

Error exit status 256; here are some files to check:
[P=get.cgi V=1/1 B=0 scale=0.60 512x512 PNG]
filesizedescription
Coll_68376.log 142807 Log file, useful mostly for debugging
Tune-6837-OSJ_addendum.abc 746 ABC music file with the extracted tune(s)
Tune-6837-OSJ_addendum.ps 41516 PostScript
Tune-6837-OSJ_addendum.txt 746 Plain-text file with the extracted tune(s)
Tune-6837-get.log 5446 Log file, useful mostly for debugging
Tune-68371-get.log 3249 Log file, useful mostly for debugging
Tune-68377-get.log 3068 Log file, useful mostly for debugging
Tune-68378-get.log 2322 Log file, useful mostly for debugging
These files should be available for 24 hours.