Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/EDM/sett.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4187-sett.ps) >>/Users/jc/w/tmp/Tune-4187-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/EDM/sett.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_41872.log 1726 Log file, useful mostly for debugging
Tune-4187-get.log 3932 Log file, useful mostly for debugging
Tune-4187-sett.abc 140 ABC music file with the extracted tune(s)
Tune-4187-sett.ps 6 PostScript
Tune-4187-sett.txt 140 Plain-text file with the extracted tune(s)
Tune-41872-get.log 5723 Log file, useful mostly for debugging
Tune-41874-24CountryDances_1774_Thompson.abc 166 ABC music file with the extracted tune(s)
Tune-41874-24CountryDances_1774_Thompson.pdf 2217 Portable Data Format
Tune-41874-24CountryDances_1774_Thompson.ps 6 PostScript
Tune-41874-24CountryDances_1774_Thompson.txt 166 Plain-text file with the extracted tune(s)
Tune-41874-get.log 5433 Log file, useful mostly for debugging
Tune-41876-get.log 5087 Log file, useful mostly for debugging
Tune-41878-get.log 3554 Log file, useful mostly for debugging
These files should be available for 24 hours.