Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Tunes/CSRHW-abc2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5730-CSRHW-abc2.ps) >>/Users/jc/w/tmp/Tune-5730-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Tunes/CSRHW-abc2.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-5730-CSRHW-abc2.abc 148 ABC music file with the extracted tune(s)
Tune-5730-CSRHW-abc2.ps 6 PostScript
Tune-5730-CSRHW-abc2.txt 148 Plain-text file with the extracted tune(s)
Tune-5730-get.log 8590 Log file, useful mostly for debugging
Tune-57301-get.log 8860 Log file, useful mostly for debugging
Tune-57303-get.log 4913 Log file, useful mostly for debugging
Tune-57304-get.log 14387 Log file, useful mostly for debugging
Tune-57306-get.log 4823 Log file, useful mostly for debugging
Tune-57307-CSR-abc2.abc 157 ABC music file with the extracted tune(s)
Tune-57307-CSR-abc2.ps 6 PostScript
Tune-57307-CSR-abc2.txt 157 Plain-text file with the extracted tune(s)
Tune-57307-get.log 4144 Log file, useful mostly for debugging
These files should be available for 24 hours.