Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Brodie/ERM-V2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2825-ERM-V2.ps) >>/Users/jc/w/tmp/Tune-2825-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Brodie/ERM-V2.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Find_2825.log 1494 Log file, useful mostly for debugging
Form_28257.log 1150 Log file, useful mostly for debugging
Tune-2825-ERM-V2.abc 145 ABC music file with the extracted tune(s)
Tune-2825-ERM-V2.ps 6 PostScript
Tune-2825-ERM-V2.txt 145 Plain-text file with the extracted tune(s)
Tune-2825-get.log 3992 Log file, useful mostly for debugging
Tune-28250-get.log 1386 Log file, useful mostly for debugging
Tune-28254-get.log 6091 Log file, useful mostly for debugging
Tune-28256-get.log 96938 Log file, useful mostly for debugging
These files should be available for 24 hours.