pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7883-BlackWalnut_A16.ps) >>/Users/jc/w/tmp/Tune-7883-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/Scotland/jig/BlackWalnut_A16.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_78835.log 62564 Log file, useful mostly for debugging
Form_78833.log 749 Log file, useful mostly for debugging
Form_78836.log 754 Log file, useful mostly for debugging
Tune-7883-BlackWalnut_A16.abc 442 ABC music file with the extracted tune(s)
Tune-7883-BlackWalnut_A16.ps 34605 PostScript
Tune-7883-BlackWalnut_A16.txt 442 Plain-text file with the extracted tune(s)
Tune-7883-get.log 4264 Log file, useful mostly for debugging
Tune-78832-get.log 5349 Log file, useful mostly for debugging
Tune-78834-get.log 4145 Log file, useful mostly for debugging
Tune-78835-get.log 5425 Log file, useful mostly for debugging
Tune-78838-get.log 7434 Log file, useful mostly for debugging
These files should be available for 24 hours.