Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/NewColl44Cot/IaST-abc2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7471-IaST-abc2.ps) >>/Users/jc/w/tmp/Tune-7471-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/NewColl44Cot/IaST-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
Form_74718.log 950 Log file, useful mostly for debugging
Tune-7471-IaST-abc2.abc 154 ABC music file with the extracted tune(s)
Tune-7471-IaST-abc2.ps 6 PostScript
Tune-7471-IaST-abc2.txt 154 Plain-text file with the extracted tune(s)
Tune-7471-get.log 4091 Log file, useful mostly for debugging
Tune-74710-get.log 5946 Log file, useful mostly for debugging
Tune-74711-get.log 3186 Log file, useful mostly for debugging
Tune-74712-24CountryDances_1809_Button_Whitaker.abc 180 ABC music file with the extracted tune(s)
Tune-74712-24CountryDances_1809_Button_Whitaker.ps 6 PostScript
Tune-74712-24CountryDances_1809_Button_Whitaker.txt 180 Plain-text file with the extracted tune(s)
Tune-74712-get.log 9105 Log file, useful mostly for debugging
Tune-74713-dance.abc 144 ABC music file with the extracted tune(s)
Tune-74713-dance.pdf 2217 Portable Data Format
Tune-74713-dance.ps 6 PostScript
Tune-74713-dance.txt 144 Plain-text file with the extracted tune(s)
Tune-74713-get.log 4747 Log file, useful mostly for debugging
Tune-74714-get.log 8921 Log file, useful mostly for debugging
Tune-74719-get.log 4376 Log file, useful mostly for debugging
These files should be available for 24 hours.