pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6496-MM4-V2.ps) >>/Users/jc/w/tmp/Tune-6496-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Kerr/MM4-V2.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_6496.log 69854 Log file, useful mostly for debugging
Coll_64960.log 63104 Log file, useful mostly for debugging
Coll_64966.log 330719 Log file, useful mostly for debugging
Form_64965.log 745 Log file, useful mostly for debugging
Tune-6496-MM4-V2.abc 566 ABC music file with the extracted tune(s)
Tune-6496-MM4-V2.ps 36709 PostScript
Tune-6496-MM4-V2.txt 566 Plain-text file with the extracted tune(s)
Tune-6496-get.log 8385 Log file, useful mostly for debugging
Tune-64966-get.log 3687 Log file, useful mostly for debugging
Tune-64967-get.log 9166 Log file, useful mostly for debugging
These files should be available for 24 hours.