Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Gow/CR4-abc1.pdf/CR-abc1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7816-CR-abc1.ps) >>/Users/jc/w/tmp/Tune-7816-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Gow/CR4-abc1.pdf/CR-abc1.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_78166.log 804 Log file, useful mostly for debugging
Tune-7816-CR-abc1.abc 156 ABC music file with the extracted tune(s)
Tune-7816-CR-abc1.ps 6 PostScript
Tune-7816-CR-abc1.txt 156 Plain-text file with the extracted tune(s)
Tune-7816-get.log 4075 Log file, useful mostly for debugging
Tune-78161-1812_Wilson_Harmony_FourNewCountryDances.abc 177 ABC music file with the extracted tune(s)
Tune-78161-1812_Wilson_Harmony_FourNewCountryDances.txt 177 Plain-text file with the extracted tune(s)
Tune-78161-get.log 13158 Log file, useful mostly for debugging
Tune-78164-get.log 4443 Log file, useful mostly for debugging
Tune-78165-get.log 4058 Log file, useful mostly for debugging
Tune-78166-get.log 10548 Log file, useful mostly for debugging
Tune-78167-get.log 4607 Log file, useful mostly for debugging
These files should be available for 24 hours.