Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Tunes/Thompson_V4_1773-1780_PD.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2813-Thompson_V4_1773-1780_PD.ps) >>/Users/jc/w/tmp/Tune-2813-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Tunes/Thompson_V4_1773-1780_PD.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
List28130.log 164 Log file, useful mostly for debugging
Tune-2813-Thompson_V4_1773-1780_PD.abc 162 ABC music file with the extracted tune(s)
Tune-2813-Thompson_V4_1773-1780_PD.ps 6 PostScript
Tune-2813-Thompson_V4_1773-1780_PD.txt 162 Plain-text file with the extracted tune(s)
Tune-2813-get.log 4366 Log file, useful mostly for debugging
Tune-28131-get.log 4670 Log file, useful mostly for debugging
Tune-28132-get.log 5569 Log file, useful mostly for debugging
Tune-28133-get.log 5074 Log file, useful mostly for debugging
Tune-28134-get.log 4568 Log file, useful mostly for debugging
Tune-28135-get.log 4519 Log file, useful mostly for debugging
Tune-28137-get.log 7607 Log file, useful mostly for debugging
Tune-28138-get.log 9322 Log file, useful mostly for debugging
These files should be available for 24 hours.