Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Tunes/Stewart_SCAJMR_1784-V2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4039-Stewart_SCAJMR_1784-V2.ps) >>/Users/jc/w/tmp/Tune-4039-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Tunes/Stewart_SCAJMR_1784-V2.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-4039-Stewart_SCAJMR_1784-V2.abc 160 ABC music file with the extracted tune(s)
Tune-4039-Stewart_SCAJMR_1784-V2.ps 6 PostScript
Tune-4039-Stewart_SCAJMR_1784-V2.txt 160 Plain-text file with the extracted tune(s)
Tune-4039-get.log 4320 Log file, useful mostly for debugging
Tune-40391-get.log 3852 Log file, useful mostly for debugging
Tune-40392-get.log 1392 Log file, useful mostly for debugging
Tune-40393-get.log 4423 Log file, useful mostly for debugging
Tune-40394-get.log 4390 Log file, useful mostly for debugging
Tune-40397-get.log 5388 Log file, useful mostly for debugging
Tune-40399-get.log 4267 Log file, useful mostly for debugging
These files should be available for 24 hours.