pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2596-3081-the_Miller_of_Dee.ps) >>/Users/jc/w/tmp/Tune-2596-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Gow/CR/3081-the_Miller_of_Dee.abc1.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_25962.log 1118900 Log file, useful mostly for debugging
Form_2596.log 871 Log file, useful mostly for debugging
Tune-2596-3081-the_Miller_of_Dee.abc 1249 ABC music file with the extracted tune(s)
Tune-2596-3081-the_Miller_of_Dee.ps 39256 PostScript
Tune-2596-3081-the_Miller_of_Dee.txt 1249 Plain-text file with the extracted tune(s)
Tune-2596-get.log 5968 Log file, useful mostly for debugging
Tune-25961-get.log 3506 Log file, useful mostly for debugging
Tune-25962-get.log 3258 Log file, useful mostly for debugging
Tune-25963-get.log 5195 Log file, useful mostly for debugging
Tune-25964-get.log 5888 Log file, useful mostly for debugging
Tune-25966-get.log 3870 Log file, useful mostly for debugging
These files should be available for 24 hours.