pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3579-1108_Long_Chase_AL.ps) >>/Users/jc/w/tmp/Tune-3579-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/SCD/Book11/1108_Long_Chase_AL.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_35794.log 261969 Log file, useful mostly for debugging
Coll_35795.log 134942 Log file, useful mostly for debugging
Form_35796.log 825 Log file, useful mostly for debugging
Tune-3579-1108_Long_Chase_AL.abc 626 ABC music file with the extracted tune(s)
Tune-3579-1108_Long_Chase_AL.ps 37781 PostScript
Tune-3579-1108_Long_Chase_AL.txt 626 Plain-text file with the extracted tune(s)
Tune-3579-get.log 4526 Log file, useful mostly for debugging
Tune-35792-get.log 4529 Log file, useful mostly for debugging
Tune-35793-get.log 3481 Log file, useful mostly for debugging
Tune-35795-get.log 4543 Log file, useful mostly for debugging
Tune-35796-get.log 3787 Log file, useful mostly for debugging
Tune-35799-get.log 4085 Log file, useful mostly for debugging
These files should be available for 24 hours.