Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Book46/EverydaySongBook1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4359-EverydaySongBook1.ps) >>/Users/jc/w/tmp/Tune-4359-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Book46/EverydaySongBook1.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_43591.log 699211 Log file, useful mostly for debugging
Find_43599.log 1477 Log file, useful mostly for debugging
Tune-4359-EverydaySongBook1.abc 156 ABC music file with the extracted tune(s)
Tune-4359-EverydaySongBook1.ps 6 PostScript
Tune-4359-EverydaySongBook1.txt 156 Plain-text file with the extracted tune(s)
Tune-4359-get.log 7731 Log file, useful mostly for debugging
Tune-43594-get.log 7663 Log file, useful mostly for debugging
Tune-43596-get.log 14068 Log file, useful mostly for debugging
Tune-43597-get.log 3656 Log file, useful mostly for debugging
Tune-43598-get.log 4867 Log file, useful mostly for debugging
Tune-43599-get.log 1410 Log file, useful mostly for debugging
These files should be available for 24 hours.