Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/CR/MSRPB.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1995-MSRPB.ps) >>/Users/jc/w/tmp/Tune-1995-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/CR/MSRPB.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_1995.log 1714 Log file, useful mostly for debugging
Form_19958.log 1241 Log file, useful mostly for debugging
Tune-1995-MSRPB.abc 140 ABC music file with the extracted tune(s)
Tune-1995-MSRPB.ps 6 PostScript
Tune-1995-MSRPB.txt 140 Plain-text file with the extracted tune(s)
Tune-1995-get.log 9467 Log file, useful mostly for debugging
Tune-19954-get.log 4529 Log file, useful mostly for debugging
Tune-19955-ViolaRuth_AdvancedSD.abc 156 ABC music file with the extracted tune(s)
Tune-19955-ViolaRuth_AdvancedSD.ps 6 PostScript
Tune-19955-ViolaRuth_AdvancedSD.txt 156 Plain-text file with the extracted tune(s)
Tune-19955-get.log 4316 Log file, useful mostly for debugging
Tune-19957-get.log 3938 Log file, useful mostly for debugging
These files should be available for 24 hours.