pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8780-2021_the_Maids_of_Islay.ps) >>/Users/jc/w/tmp/Tune-8780-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Kerr/MM2/2021_the_Maids_of_Islay.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
Find_87803.log 1340 Log file, useful mostly for debugging
Form_87803.log 837 Log file, useful mostly for debugging
Tune-8780-2021_the_Maids_of_Islay.abc 314 ABC music file with the extracted tune(s)
Tune-8780-2021_the_Maids_of_Islay.ps 34807 PostScript
Tune-8780-2021_the_Maids_of_Islay.txt 314 Plain-text file with the extracted tune(s)
Tune-8780-get.log 4604 Log file, useful mostly for debugging
Tune-87800-get.log 30692 Log file, useful mostly for debugging
Tune-87803-get.log 5700 Log file, useful mostly for debugging
Tune-87803-index.abc 0 ABC music file with the extracted tune(s)
Tune-87803-index.ps 6 PostScript
Tune-87803-index.txt 0 Plain-text file with the extracted tune(s)
Tune-87804-get.log 3000 Log file, useful mostly for debugging
Tune-87807-get.log 1402 Log file, useful mostly for debugging
These files should be available for 24 hours.