Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/EDM/Konsta_Jylha.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1077-Konsta_Jylha.ps) >>/Users/jc/w/tmp/Tune-1077-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/EDM/Konsta_Jylha.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_1077.log 723619 Log file, useful mostly for debugging
Coll_10775.log 276411 Log file, useful mostly for debugging
Coll_10778.log 462610 Log file, useful mostly for debugging
Coll_10779.log 900020 Log file, useful mostly for debugging
Tune-1077-Konsta_Jylha.abc 148 ABC music file with the extracted tune(s)
Tune-1077-Konsta_Jylha.ps 6 PostScript
Tune-1077-Konsta_Jylha.txt 148 Plain-text file with the extracted tune(s)
Tune-1077-get.log 4102 Log file, useful mostly for debugging
Tune-10770-get.log 2886 Log file, useful mostly for debugging
Tune-10772-get.log 4915 Log file, useful mostly for debugging
Tune-10773-get.log 4377 Log file, useful mostly for debugging
Tune-10774-get.log 4062 Log file, useful mostly for debugging
Tune-10775-get.log 2754 Log file, useful mostly for debugging
These files should be available for 24 hours.