pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9414-b.ps) >>/Users/jc/w/tmp/Tune-9414-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/terra.es/personal8/niltoni/b.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_94147.log 268841 Log file, useful mostly for debugging
Form_94143.log 771 Log file, useful mostly for debugging
Form_94146.log 748 Log file, useful mostly for debugging
Tune-9414-b.abc 344 ABC music file with the extracted tune(s)
Tune-9414-b.ps 35409 PostScript
Tune-9414-b.txt 344 Plain-text file with the extracted tune(s)
Tune-9414-get.log 5786 Log file, useful mostly for debugging
Tune-94143-MM1-V1.abc 377 ABC music file with the extracted tune(s)
Tune-94143-MM1-V1.malt 1718 Musical Instrument Digital Interface, alternate name for midi format
Tune-94143-MM1-V1.mid 1718 Musical Instrument Digital interface, shortened name for midi format
Tune-94143-MM1-V1.midi 1718 Musical Instrument Digital Interface, electronic version of the tune(s)
Tune-94143-MM1-V1.txt 377 Plain-text file with the extracted tune(s)
Tune-94143-get.log 3517 Log file, useful mostly for debugging
Tune-94149-get.log 3443 Log file, useful mostly for debugging
These files should be available for 24 hours.