Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/1752/CSGBT_1794-V2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3014-CSGBT_1794-V2.ps) >>/Users/jc/w/tmp/Tune-3014-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/1752/CSGBT_1794-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-3014-CSGBT_1794-V2.abc 150 ABC music file with the extracted tune(s)
Tune-3014-CSGBT_1794-V2.ps 6 PostScript
Tune-3014-CSGBT_1794-V2.txt 150 Plain-text file with the extracted tune(s)
Tune-3014-get.log 4129 Log file, useful mostly for debugging
Tune-30140-get.log 4540 Log file, useful mostly for debugging
Tune-30141-get.log 5491 Log file, useful mostly for debugging
Tune-30142-get.log 3234 Log file, useful mostly for debugging
Tune-30143-CaledonianMusicalRepository_1811.abc 177 ABC music file with the extracted tune(s)
Tune-30143-CaledonianMusicalRepository_1811.ps 6 PostScript
Tune-30143-CaledonianMusicalRepository_1811.txt 177 Plain-text file with the extracted tune(s)
Tune-30143-get.log 4622 Log file, useful mostly for debugging
Tune-30145-get.log 5517 Log file, useful mostly for debugging
Tune-30146-get.log 2870 Log file, useful mostly for debugging
Tune-30147-get.log 13403 Log file, useful mostly for debugging
Tune-30148-get.log 14680 Log file, useful mostly for debugging
Tune-30149-get.log 3550 Log file, useful mostly for debugging
These files should be available for 24 hours.