Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Tunes/Gow-CSR-abc1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8394-Gow-CSR-abc1.ps) >>/Users/jc/w/tmp/Tune-8394-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Tunes/Gow-CSR-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-8394-Gow-CSR-abc1.abc 150 ABC music file with the extracted tune(s)
Tune-8394-Gow-CSR-abc1.ps 6 PostScript
Tune-8394-Gow-CSR-abc1.txt 150 Plain-text file with the extracted tune(s)
Tune-8394-get.log 4110 Log file, useful mostly for debugging
Tune-83941-get.log 5386 Log file, useful mostly for debugging
Tune-83942-24CountryDances_1796_Preston.abc 164 ABC music file with the extracted tune(s)
Tune-83942-24CountryDances_1796_Preston.ps 6 PostScript
Tune-83942-24CountryDances_1796_Preston.txt 164 Plain-text file with the extracted tune(s)
Tune-83942-get.log 9868 Log file, useful mostly for debugging
Tune-83943-get.log 4007 Log file, useful mostly for debugging
Tune-83946-get.log 8448 Log file, useful mostly for debugging
Tune-83947-get.log 4364 Log file, useful mostly for debugging
Tune-83949-get.log 9918 Log file, useful mostly for debugging
These files should be available for 24 hours.