pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6127-2000_Title.ps) >>/Users/jc/w/tmp/Tune-6127-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Gow/CR/2000_Title.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Coll_61270.log 1426596 Log file, useful mostly for debugging
Coll_61271.log 1262210 Log file, useful mostly for debugging
Coll_61272.log 1331056 Log file, useful mostly for debugging
Tune-6127-2000_Title.abc 770 ABC music file with the extracted tune(s)
Tune-6127-2000_Title.ps 32732 PostScript
Tune-6127-2000_Title.txt 770 Plain-text file with the extracted tune(s)
Tune-6127-get.log 4436 Log file, useful mostly for debugging
Tune-61278-get.log 4582 Log file, useful mostly for debugging
Tune-61279-1051-Watsons_Scotch_Measure-abc1.abc 1110 ABC music file with the extracted tune(s)
Tune-61279-1051-Watsons_Scotch_Measure-abc1.ps 39071 PostScript
Tune-61279-1051-Watsons_Scotch_Measure-abc1.txt 1110 Plain-text file with the extracted tune(s)
Tune-61279-get.log 4960 Log file, useful mostly for debugging
These files should be available for 24 hours.