Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Whetherly21/Button_Whitaker_12ElegantNewDances_1810.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2113-Button_Whitaker_12ElegantNewDances_1810.ps) >>/Users/jc/w/tmp/Tune-2113-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Whetherly21/Button_Whitaker_12ElegantNewDances_1810.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Sess-21139.log 11133 Log file, useful mostly for debugging
Tune-2113-Button_Whitaker_12ElegantNewDances_1810.abc 183 ABC music file with the extracted tune(s)
Tune-2113-Button_Whitaker_12ElegantNewDances_1810.ps 6 PostScript
Tune-2113-Button_Whitaker_12ElegantNewDances_1810.txt 183 Plain-text file with the extracted tune(s)
Tune-2113-get.log 4719 Log file, useful mostly for debugging
Tune-21131-get.log 22755 Log file, useful mostly for debugging
Tune-21132-get.log 33619 Log file, useful mostly for debugging
Tune-21133-get.log 5847 Log file, useful mostly for debugging
Tune-21134-get.log 33944 Log file, useful mostly for debugging
These files should be available for 24 hours.