Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/CR/Barsanti_CoOST.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8400-Barsanti_CoOST.ps) >>/Users/jc/w/tmp/Tune-8400-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/CR/Barsanti_CoOST.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Form_84005.log 969 Log file, useful mostly for debugging
Tune-8400-Barsanti_CoOST.abc 149 ABC music file with the extracted tune(s)
Tune-8400-Barsanti_CoOST.ps 6 PostScript
Tune-8400-Barsanti_CoOST.txt 149 Plain-text file with the extracted tune(s)
Tune-8400-MichaelDabney_12Minuets12Dances-1760-V2.abc 173 ABC music file with the extracted tune(s)
Tune-8400-MichaelDabney_12Minuets12Dances-1760-V2.pdf 2217 Portable Data Format
Tune-8400-MichaelDabney_12Minuets12Dances-1760-V2.ps 6 PostScript
Tune-8400-MichaelDabney_12Minuets12Dances-1760-V2.txt 173 Plain-text file with the extracted tune(s)
Tune-8400-get.log 31475 Log file, useful mostly for debugging
Tune-84001-get.log 3324 Log file, useful mostly for debugging
Tune-84004-get.log 9063 Log file, useful mostly for debugging
Tune-84006-get.log 5435 Log file, useful mostly for debugging
These files should be available for 24 hours.