Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/HUTB2/RSCDS_Graded2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1815-RSCDS_Graded2.ps) >>/Users/jc/w/tmp/Tune-1815-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/HUTB2/RSCDS_Graded2.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_18151.log 112197 Log file, useful mostly for debugging
Form_18155.log 807 Log file, useful mostly for debugging
Tune-1815-RSCDS_Graded2.abc 151 ABC music file with the extracted tune(s)
Tune-1815-RSCDS_Graded2.ps 6 PostScript
Tune-1815-RSCDS_Graded2.txt 151 Plain-text file with the extracted tune(s)
Tune-1815-get.log 4133 Log file, useful mostly for debugging
Tune-18151-get.log 3082 Log file, useful mostly for debugging
Tune-18156-Garryowen_with_variations_.abc 164 ABC music file with the extracted tune(s)
Tune-18156-Garryowen_with_variations_.pdf 2217 Portable Data Format
Tune-18156-Garryowen_with_variations_.ps 6 PostScript
Tune-18156-Garryowen_with_variations_.txt 164 Plain-text file with the extracted tune(s)
Tune-18156-get.log 9569 Log file, useful mostly for debugging
Tune-18157-get.log 8286 Log file, useful mostly for debugging
Tune-18158-get.log 8151 Log file, useful mostly for debugging
Tune-18159-get.log 4557 Log file, useful mostly for debugging
These files should be available for 24 hours.