Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/PDF/Thompson_V1_1751-1757_FTM.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6002-Thompson_V1_1751-1757_FTM.ps) >>/Users/jc/w/tmp/Tune-6002-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/PDF/Thompson_V1_1751-1757_FTM.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-6002-Thompson_V1_1751-1757_FTM.abc 161 ABC music file with the extracted tune(s)
Tune-6002-Thompson_V1_1751-1757_FTM.ps 6 PostScript
Tune-6002-Thompson_V1_1751-1757_FTM.txt 161 Plain-text file with the extracted tune(s)
Tune-6002-get.log 4375 Log file, useful mostly for debugging
Tune-60020-get.log 7015 Log file, useful mostly for debugging
Tune-60021-get.log 5906 Log file, useful mostly for debugging
Tune-60022-get.log 5406 Log file, useful mostly for debugging
Tune-60023-get.log 3314 Log file, useful mostly for debugging
Tune-60026-get.log 1382 Log file, useful mostly for debugging
Tune-60027-get.log 12471 Log file, useful mostly for debugging
Tune-60029-get.log 3311 Log file, useful mostly for debugging
These files should be available for 24 hours.