pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-113-14111-Lord_Seaforths_Strath-2.ps) >>/Users/jc/w/tmp/Tune-113-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/SCD/Book14/14111-Lord_Seaforths_Strath-2.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_11310.log 283726 Log file, useful mostly for debugging
Coll_11331.log 283726 Log file, useful mostly for debugging
Coll_11377.log 250689 Log file, useful mostly for debugging
Coll_11391.log 283726 Log file, useful mostly for debugging
Form_11355.log 773 Log file, useful mostly for debugging
Tune-113-14111-Lord_Seaforths_Strath-2.abc 486 ABC music file with the extracted tune(s)
Tune-113-14111-Lord_Seaforths_Strath-2.ps 37281 PostScript
Tune-113-14111-Lord_Seaforths_Strath-2.txt 486 Plain-text file with the extracted tune(s)
Tune-113-get.log 8733 Log file, useful mostly for debugging
Tune-1133-get.log 19576 Log file, useful mostly for debugging
Tune-11386-get.log 3171 Log file, useful mostly for debugging
These files should be available for 24 hours.