Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Roy_Goldring/Gow-CSR1-abc2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9558-Gow-CSR1-abc2.ps) >>/Users/jc/w/tmp/Tune-9558-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Roy_Goldring/Gow-CSR1-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
Coll_95584.log 419647 Log file, useful mostly for debugging
Tune-9558-Gow-CSR1-abc2.abc 158 ABC music file with the extracted tune(s)
Tune-9558-Gow-CSR1-abc2.ps 6 PostScript
Tune-9558-Gow-CSR1-abc2.txt 158 Plain-text file with the extracted tune(s)
Tune-9558-get.log 4175 Log file, useful mostly for debugging
Tune-95586-get.log 1262 Log file, useful mostly for debugging
Tune-95587-get.log 3144 Log file, useful mostly for debugging
Tune-95587-newpage.abc 147 ABC music file with the extracted tune(s)
Tune-95587-newpage.txt 147 Plain-text file with the extracted tune(s)
Tune-95589-LondonMagazine.abc 151 ABC music file with the extracted tune(s)
Tune-95589-LondonMagazine.ps 6 PostScript
Tune-95589-LondonMagazine.txt 151 Plain-text file with the extracted tune(s)
Tune-95589-get.log 4200 Log file, useful mostly for debugging
These files should be available for 24 hours.