pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5310-DumfriesHouseJ.ps) >>/Users/jc/w/tmp/Tune-5310-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/terrytraub.org/DumfriesHouseJ.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_53102.log 270949 Log file, useful mostly for debugging
Tune-5310-DumfriesHouseJ.abc 306 ABC music file with the extracted tune(s)
Tune-5310-DumfriesHouseJ.ps 34777 PostScript
Tune-5310-DumfriesHouseJ.txt 306 Plain-text file with the extracted tune(s)
Tune-5310-get.log 4324 Log file, useful mostly for debugging
Tune-53100-get.log 3875 Log file, useful mostly for debugging
These files should be available for 24 hours.