Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/PDF/WilliamShepherdsCollections.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4978-WilliamShepherdsCollections.ps) >>/Users/jc/w/tmp/Tune-4978-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/PDF/WilliamShepherdsCollections.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_49786.log 148015 Log file, useful mostly for debugging
Tune-4978-WilliamShepherdsCollections.abc 163 ABC music file with the extracted tune(s)
Tune-4978-WilliamShepherdsCollections.ps 6 PostScript
Tune-4978-WilliamShepherdsCollections.txt 163 Plain-text file with the extracted tune(s)
Tune-4978-get.log 4415 Log file, useful mostly for debugging
Tune-49780-get.log 1498 Log file, useful mostly for debugging
Tune-49781-get.log 4162 Log file, useful mostly for debugging
Tune-49787-get.log 4658 Log file, useful mostly for debugging
Tune-49788-get.log 4776 Log file, useful mostly for debugging
These files should be available for 24 hours.