pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2199-LadyCarmichaelS.ps) >>/Users/jc/w/tmp/Tune-2199-get.log 2>&1" returned status 256
http://terrytraub.org/abc/LadyCarmichaelS.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_21993.log 147042 Log file, useful mostly for debugging
Form_21994.log 854 Log file, useful mostly for debugging
Form_21996.log 846 Log file, useful mostly for debugging
Tune-2199-LadyCarmichaelS.abc 396 ABC music file with the extracted tune(s)
Tune-2199-LadyCarmichaelS.ps 36635 PostScript
Tune-2199-LadyCarmichaelS.txt 396 Plain-text file with the extracted tune(s)
Tune-2199-get.log 7461 Log file, useful mostly for debugging
Tune-21991-get.log 8539 Log file, useful mostly for debugging
Tune-21992-get.log 3533 Log file, useful mostly for debugging
These files should be available for 24 hours.