Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/jig/Kilkenny_Hornpipe.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4085-Kilkenny_Hornpipe.ps) >>/Users/jc/w/tmp/Tune-4085-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/jig/Kilkenny_Hornpipe.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Coll_40854.log 465409 Log file, useful mostly for debugging
Coll_40855.log 1378026 Log file, useful mostly for debugging
Coll_40856.log 469610 Log file, useful mostly for debugging
Coll_40857.log 279209 Log file, useful mostly for debugging
Coll_40859.log 249810 Log file, useful mostly for debugging
Form_40852.log 1043 Log file, useful mostly for debugging
Tune-4085-Kilkenny_Hornpipe.abc 153 ABC music file with the extracted tune(s)
Tune-4085-Kilkenny_Hornpipe.ps 6 PostScript
Tune-4085-Kilkenny_Hornpipe.txt 153 Plain-text file with the extracted tune(s)
Tune-4085-get.log 4205 Log file, useful mostly for debugging
Tune-40858-get.log 1351 Log file, useful mostly for debugging
These files should be available for 24 hours.