Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/MM1/FOEFDA.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6672-FOEFDA.ps) >>/Users/jc/w/tmp/Tune-6672-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/MM1/FOEFDA.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-6672-FOEFDA.abc 142 ABC music file with the extracted tune(s)
Tune-6672-FOEFDA.ps 6 PostScript
Tune-6672-FOEFDA.txt 142 Plain-text file with the extracted tune(s)
Tune-6672-get.log 8839 Log file, useful mostly for debugging
Tune-66720-get.log 4885 Log file, useful mostly for debugging
Tune-66721-get.log 4745 Log file, useful mostly for debugging
Tune-66722-AMHSI_abc2.abc 147 ABC music file with the extracted tune(s)
Tune-66722-AMHSI_abc2.txt 147 Plain-text file with the extracted tune(s)
Tune-66722-get.log 9046 Log file, useful mostly for debugging
Tune-66723-get.log 14649 Log file, useful mostly for debugging
Tune-66729-JamesJohnson_ScotsMusicalMuseumV5-V1.abc 173 ABC music file with the extracted tune(s)
Tune-66729-JamesJohnson_ScotsMusicalMuseumV5-V1.ps 6 PostScript
Tune-66729-JamesJohnson_ScotsMusicalMuseumV5-V1.txt 173 Plain-text file with the extracted tune(s)
Tune-66729-get.log 4658 Log file, useful mostly for debugging
These files should be available for 24 hours.