Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Potpourri/RSCDS_Graded1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7588-RSCDS_Graded1.ps) >>/Users/jc/w/tmp/Tune-7588-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Potpourri/RSCDS_Graded1.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_75880.log 1010 Log file, useful mostly for debugging
Tune-7588-RSCDS_Graded1.abc 155 ABC music file with the extracted tune(s)
Tune-7588-RSCDS_Graded1.ps 6 PostScript
Tune-7588-RSCDS_Graded1.txt 155 Plain-text file with the extracted tune(s)
Tune-7588-get.log 4161 Log file, useful mostly for debugging
Tune-75880-get.log 1424 Log file, useful mostly for debugging
Tune-75881-get.log 3863 Log file, useful mostly for debugging
Tune-75882-get.log 3964 Log file, useful mostly for debugging
Tune-75884-get.log 1424 Log file, useful mostly for debugging
Tune-75887-get.log 7418 Log file, useful mostly for debugging
Tune-75888-get.log 1424 Log file, useful mostly for debugging
Tune-75889-get.log 5616 Log file, useful mostly for debugging
These files should be available for 24 hours.