Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Gow/CR1-abc1.pdf/CSR3-abc1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9818-CSR3-abc1.ps) >>/Users/jc/w/tmp/Tune-9818-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Gow/CR1-abc1.pdf/CSR3-abc1.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-9818-CSR3-abc1.abc 158 ABC music file with the extracted tune(s)
Tune-9818-CSR3-abc1.ps 6 PostScript
Tune-9818-CSR3-abc1.txt 158 Plain-text file with the extracted tune(s)
Tune-9818-get.log 9915 Log file, useful mostly for debugging
Tune-98180-get.log 5951 Log file, useful mostly for debugging
Tune-98181-get.log 8558 Log file, useful mostly for debugging
Tune-98182-get.log 141694 Log file, useful mostly for debugging
Tune-98184-get.log 3387 Log file, useful mostly for debugging
Tune-98188-get.log 4429 Log file, useful mostly for debugging
Tune-98189-Wedding_Ring-001.svg 15004 Scalable Vector Graphics format
Tune-98189-Wedding_Ring.abc 441 ABC music file with the extracted tune(s)
Tune-98189-Wedding_Ring.txt 441 Plain-text file with the extracted tune(s)
Tune-98189-get.log 8398 Log file, useful mostly for debugging
These files should be available for 24 hours.