Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/1782/AMHSI_abc2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4392-AMHSI_abc2.ps) >>/Users/jc/w/tmp/Tune-4392-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/1782/AMHSI_abc2.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_4392.log 2287221 Log file, useful mostly for debugging
Coll_43923.log 240284 Log file, useful mostly for debugging
Tune-4392-AMHSI_abc2.abc 147 ABC music file with the extracted tune(s)
Tune-4392-AMHSI_abc2.ps 6 PostScript
Tune-4392-AMHSI_abc2.txt 147 Plain-text file with the extracted tune(s)
Tune-4392-get.log 4064 Log file, useful mostly for debugging
Tune-43921-24CountryDances_1791_Thompson.abc 166 ABC music file with the extracted tune(s)
Tune-43921-24CountryDances_1791_Thompson.ps 6 PostScript
Tune-43921-24CountryDances_1791_Thompson.txt 166 Plain-text file with the extracted tune(s)
Tune-43921-get.log 4511 Log file, useful mostly for debugging
Tune-43925-Thompson_V4_1773-1780_PD.abc 161 ABC music file with the extracted tune(s)
Tune-43925-Thompson_V4_1773-1780_PD.ps 6 PostScript
Tune-43925-Thompson_V4_1773-1780_PD.txt 161 Plain-text file with the extracted tune(s)
Tune-43925-get.log 4406 Log file, useful mostly for debugging
Tune-43926-get.log 5970 Log file, useful mostly for debugging
Tune-43929-get.log 48752 Log file, useful mostly for debugging
These files should be available for 24 hours.