pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7399-silver_apple.ps) >>/Users/jc/w/tmp/Tune-7399-get.log 2>&1" returned status 256
http://cranfordpub.com/tunes/abcs/silver_apple.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_73999.log 0 Log file, useful mostly for debugging
Form_73997.log 910 Log file, useful mostly for debugging
Tune-7399-get.log 10495 Log file, useful mostly for debugging
Tune-7399-silver_apple.abc 579 ABC music file with the extracted tune(s)
Tune-7399-silver_apple.ps 37923 PostScript
Tune-7399-silver_apple.txt 579 Plain-text file with the extracted tune(s)
Tune-73994-get.log 0 Log file, useful mostly for debugging
Tune-73997-get.log 0 Log file, useful mostly for debugging
These files should be available for 24 hours.