Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/10thBook/ERM-V1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9183-ERM-V1.ps) >>/Users/jc/w/tmp/Tune-9183-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/10thBook/ERM-V1.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_91834.log 816 Log file, useful mostly for debugging
Tune-9183-ERM-V1.abc 147 ABC music file with the extracted tune(s)
Tune-9183-ERM-V1.ps 6 PostScript
Tune-9183-ERM-V1.txt 147 Plain-text file with the extracted tune(s)
Tune-9183-get.log 3998 Log file, useful mostly for debugging
Tune-91830-get.log 4492 Log file, useful mostly for debugging
Tune-91834-get.log 7989 Log file, useful mostly for debugging
Tune-91836-get.log 4447 Log file, useful mostly for debugging
Tune-91837-CR2-abc2.abc 157 ABC music file with the extracted tune(s)
Tune-91837-CR2-abc2.txt 157 Plain-text file with the extracted tune(s)
Tune-91837-get.log 11503 Log file, useful mostly for debugging
Tune-91838-get.log 4706 Log file, useful mostly for debugging
These files should be available for 24 hours.