Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/PDF/ArthursSeatWaltzes.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4952-ArthursSeatWaltzes.ps) >>/Users/jc/w/tmp/Tune-4952-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/PDF/ArthursSeatWaltzes.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Tune-4952-ArthursSeatWaltzes.abc 154 ABC music file with the extracted tune(s)
Tune-4952-ArthursSeatWaltzes.ps 6 PostScript
Tune-4952-ArthursSeatWaltzes.txt 154 Plain-text file with the extracted tune(s)
Tune-4952-get.log 4226 Log file, useful mostly for debugging
Tune-49520-get.log 4214 Log file, useful mostly for debugging
Tune-49522-get.log 8994 Log file, useful mostly for debugging
Tune-49524-get.log 13011 Log file, useful mostly for debugging
Tune-49525-get.log 10527 Log file, useful mostly for debugging
These files should be available for 24 hours.