pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5651-21_Trip_to_Paris.ps) >>/Users/jc/w/tmp/Tune-5651-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/DftY/1803/Bland_Weller/21_Trip_to_Paris.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_56511.log 284330 Log file, useful mostly for debugging
Coll_56519.log 281520 Log file, useful mostly for debugging
Tune-5651-21_Trip_to_Paris.abc 796 ABC music file with the extracted tune(s)
Tune-5651-21_Trip_to_Paris.ps 35909 PostScript
Tune-5651-21_Trip_to_Paris.txt 796 Plain-text file with the extracted tune(s)
Tune-5651-get.log 4638 Log file, useful mostly for debugging
Tune-56514-get.log 1403 Log file, useful mostly for debugging
These files should be available for 24 hours.