Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/100_Popular_HRJCD/blank.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8567-blank.ps) >>/Users/jc/w/tmp/Tune-8567-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/100_Popular_HRJCD/blank.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-8567-blank.abc 155 ABC music file with the extracted tune(s)
Tune-8567-blank.ps 6 PostScript
Tune-8567-blank.txt 155 Plain-text file with the extracted tune(s)
Tune-8567-get.log 4035 Log file, useful mostly for debugging
Tune-85672-get.log 5768 Log file, useful mostly for debugging
Tune-85674-Button_Whitaker_12ElegantNewDances_1810.abc 193 ABC music file with the extracted tune(s)
Tune-85674-Button_Whitaker_12ElegantNewDances_1810.txt 193 Plain-text file with the extracted tune(s)
Tune-85674-Feuillet_Essex_FtFIoD2.abc 174 ABC music file with the extracted tune(s)
Tune-85674-Feuillet_Essex_FtFIoD2.ps 6 PostScript
Tune-85674-Feuillet_Essex_FtFIoD2.txt 174 Plain-text file with the extracted tune(s)
Tune-85674-get.log 13164 Log file, useful mostly for debugging
Tune-85677-get.log 27155 Log file, useful mostly for debugging
These files should be available for 24 hours.