Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Tweed2/24CountryDances_1778_Thompson.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8087-24CountryDances_1778_Thompson.ps) >>/Users/jc/w/tmp/Tune-8087-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Tweed2/24CountryDances_1778_Thompson.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_80870.log 153238 Log file, useful mostly for debugging
Tune-8087-24CountryDances_1778_Thompson.abc 168 ABC music file with the extracted tune(s)
Tune-8087-24CountryDances_1778_Thompson.ps 6 PostScript
Tune-8087-24CountryDances_1778_Thompson.txt 168 Plain-text file with the extracted tune(s)
Tune-8087-get.log 9385 Log file, useful mostly for debugging
Tune-80871-get.log 5234 Log file, useful mostly for debugging
Tune-80874-Gow-CSR1-abc2.abc 149 ABC music file with the extracted tune(s)
Tune-80874-Gow-CSR1-abc2.ps 6 PostScript
Tune-80874-Gow-CSR1-abc2.txt 149 Plain-text file with the extracted tune(s)
Tune-80874-get.log 4052 Log file, useful mostly for debugging
Tune-80879-get.log 1539 Log file, useful mostly for debugging
These files should be available for 24 hours.