Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/jpg/ERM-V2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1052-ERM-V2.ps) >>/Users/jc/w/tmp/Tune-1052-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/jpg/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
Tune-1052-ERM-V2.abc 142 ABC music file with the extracted tune(s)
Tune-1052-ERM-V2.ps 6 PostScript
Tune-1052-ERM-V2.txt 142 Plain-text file with the extracted tune(s)
Tune-1052-get.log 3978 Log file, useful mostly for debugging
Tune-10521-get.log 5122 Log file, useful mostly for debugging
Tune-10523-get.log 3506 Log file, useful mostly for debugging
Tune-10524-get.log 4471 Log file, useful mostly for debugging
Tune-10525-Ettrick_Banks_1806.abc 2160 ABC music file with the extracted tune(s)
Tune-10525-Ettrick_Banks_1806.pdf 29452 Portable Data Format
Tune-10525-Ettrick_Banks_1806.ps 40463 PostScript
Tune-10525-Ettrick_Banks_1806.txt 2160 Plain-text file with the extracted tune(s)
Tune-10525-get.log 5698 Log file, useful mostly for debugging
These files should be available for 24 hours.