Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Potpourri/slurs.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2028-slurs.ps) >>/Users/jc/w/tmp/Tune-2028-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Potpourri/slurs.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Coll_20289.log 339684 Log file, useful mostly for debugging
Form_20285.log 811 Log file, useful mostly for debugging
Tune-2028-get.log 9451 Log file, useful mostly for debugging
Tune-2028-slurs.abc 147 ABC music file with the extracted tune(s)
Tune-2028-slurs.ps 6 PostScript
Tune-2028-slurs.txt 147 Plain-text file with the extracted tune(s)
Tune-20281-JamesJohnson_ScotsMusicalMuseumV4-V2.abc 189 ABC music file with the extracted tune(s)
Tune-20281-JamesJohnson_ScotsMusicalMuseumV4-V2.ps 6 PostScript
Tune-20281-JamesJohnson_ScotsMusicalMuseumV4-V2.txt 189 Plain-text file with the extracted tune(s)
Tune-20281-get.log 7825 Log file, useful mostly for debugging
Tune-20282-get.log 9547 Log file, useful mostly for debugging
Tune-20288-get.log 4147 Log file, useful mostly for debugging
These files should be available for 24 hours.