Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Book14/Gow-CSR1-abc1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5061-Gow-CSR1-abc1.ps) >>/Users/jc/w/tmp/Tune-5061-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Book14/Gow-CSR1-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
Coll_50618.log 143413 Log file, useful mostly for debugging
Tune-5061-Gow-CSR1-abc1.abc 152 ABC music file with the extracted tune(s)
Tune-5061-Gow-CSR1-abc1.ps 6 PostScript
Tune-5061-Gow-CSR1-abc1.txt 152 Plain-text file with the extracted tune(s)
Tune-5061-get.log 9605 Log file, useful mostly for debugging
Tune-50611-get.log 4482 Log file, useful mostly for debugging
Tune-50615-24CountryDances_1812_JGray.abc 176 ABC music file with the extracted tune(s)
Tune-50615-24CountryDances_1812_JGray.pdf 2217 Portable Data Format
Tune-50615-24CountryDances_1812_JGray.ps 6 PostScript
Tune-50615-24CountryDances_1812_JGray.txt 176 Plain-text file with the extracted tune(s)
Tune-50615-get.log 5428 Log file, useful mostly for debugging
Tune-50618-get.log 5706 Log file, useful mostly for debugging
These files should be available for 24 hours.