Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Gow/CSR1-abc1.abc/CSR-abc2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8773-CSR-abc2.ps) >>/Users/jc/w/tmp/Tune-8773-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Gow/CSR1-abc1.abc/CSR-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-8773-CSR-abc2.abc 158 ABC music file with the extracted tune(s)
Tune-8773-CSR-abc2.ps 6 PostScript
Tune-8773-CSR-abc2.txt 158 Plain-text file with the extracted tune(s)
Tune-8773-get.log 8515 Log file, useful mostly for debugging
Tune-87730-get.log 4204 Log file, useful mostly for debugging
Tune-87731-get.log 9562 Log file, useful mostly for debugging
Tune-87735-get.log 1433 Log file, useful mostly for debugging
Tune-87737-WalterRainstorp_WRCB.abc 158 ABC music file with the extracted tune(s)
Tune-87737-WalterRainstorp_WRCB.pdf 2217 Portable Data Format
Tune-87737-WalterRainstorp_WRCB.ps 6 PostScript
Tune-87737-WalterRainstorp_WRCB.txt 158 Plain-text file with the extracted tune(s)
Tune-87737-get.log 5176 Log file, useful mostly for debugging
Tune-87738-get.log 4009 Log file, useful mostly for debugging
Tune-87739-get.log 5547 Log file, useful mostly for debugging
These files should be available for 24 hours.