pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-67239-Black_Shepherdess_The.ps) >>/Users/jc/w/tmp/Tune-67239-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/SCD/Skye_HB/T/Black_Shepherdess_The.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_67239.log 64994 Log file, useful mostly for debugging
Form_67239.log 740 Log file, useful mostly for debugging
Tune-67239-Black_Shepherdess_The.abc 203 ABC music file with the extracted tune(s)
Tune-67239-Black_Shepherdess_The.ps 33440 PostScript
Tune-67239-Black_Shepherdess_The.txt 203 Plain-text file with the extracted tune(s)
Tune-67239-get.log 7717 Log file, useful mostly for debugging
These files should be available for 24 hours.