pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3541-OSJ_addendum.ps) >>/Users/jc/w/tmp/Tune-3541-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/SeymourShlien/ottawaslowjam/OSJ_addendum/%442:RAMBLERSHORNPIPE.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_35419.log 140387 Log file, useful mostly for debugging
Form_35413.log 818 Log file, useful mostly for debugging
Form_35417.log 849 Log file, useful mostly for debugging
Tune-3541-OSJ_addendum.abc 570 ABC music file with the extracted tune(s)
Tune-3541-OSJ_addendum.ps 36380 PostScript
Tune-3541-OSJ_addendum.txt 570 Plain-text file with the extracted tune(s)
Tune-3541-get.log 13466 Log file, useful mostly for debugging
Tune-35411-get.log 5198 Log file, useful mostly for debugging
Tune-35412-get.log 0 Log file, useful mostly for debugging
Tune-35417-get.log 1389 Log file, useful mostly for debugging
These files should be available for 24 hours.