Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/NewColl44Cot/JamesOswald_CPC-abc1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6478-JamesOswald_CPC-abc1.ps) >>/Users/jc/w/tmp/Tune-6478-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/NewColl44Cot/JamesOswald_CPC-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-6478-JamesOswald_CPC-abc1.abc 165 ABC music file with the extracted tune(s)
Tune-6478-JamesOswald_CPC-abc1.ps 6 PostScript
Tune-6478-JamesOswald_CPC-abc1.txt 165 Plain-text file with the extracted tune(s)
Tune-6478-get.log 4324 Log file, useful mostly for debugging
Tune-64784-get.log 4885 Log file, useful mostly for debugging
Tune-64785-get.log 3360 Log file, useful mostly for debugging
Tune-64786-get.log 8789 Log file, useful mostly for debugging
Tune-64787-get.log 8586 Log file, useful mostly for debugging
Tune-64788-get.log 13366 Log file, useful mostly for debugging
Tune-64789-get.log 4735 Log file, useful mostly for debugging
These files should be available for 24 hours.