pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8987-BlackWalnutJ.ps) >>/Users/jc/w/tmp/Tune-8987-get.log 2>&1" returned status 256
http://terrytraub.org/abc/BlackWalnutJ.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
Form_89870.log 760 Log file, useful mostly for debugging
Tune-8987-BlackWalnutJ.abc 425 ABC music file with the extracted tune(s)
Tune-8987-BlackWalnutJ.ps 34656 PostScript
Tune-8987-BlackWalnutJ.txt 425 Plain-text file with the extracted tune(s)
Tune-8987-get.log 4077 Log file, useful mostly for debugging
Tune-89870-get.log 1384 Log file, useful mostly for debugging
Tune-89875-get.log 3139 Log file, useful mostly for debugging
Tune-89876-KittyBridges_1745_VO.abc 935 ABC music file with the extracted tune(s)
Tune-89876-KittyBridges_1745_VO.txt 935 Plain-text file with the extracted tune(s)
Tune-89876-get.log 5974 Log file, useful mostly for debugging
Tune-89877-get.log 4700 Log file, useful mostly for debugging
Tune-89878-get.log 4229 Log file, useful mostly for debugging
These files should be available for 24 hours.