Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/MM3/blank.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4267-blank.ps) >>/Users/jc/w/tmp/Tune-4267-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/MM3/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-4267-blank.abc 141 ABC music file with the extracted tune(s)
Tune-4267-blank.ps 6 PostScript
Tune-4267-blank.txt 141 Plain-text file with the extracted tune(s)
Tune-4267-get.log 3955 Log file, useful mostly for debugging
Tune-42670-24CountryDances_1803_Bland_Weller.abc 176 ABC music file with the extracted tune(s)
Tune-42670-24CountryDances_1803_Bland_Weller.txt 176 Plain-text file with the extracted tune(s)
Tune-42670-get.log 3634 Log file, useful mostly for debugging
Tune-42672-get.log 4853 Log file, useful mostly for debugging
Tune-42674-get.log 4441 Log file, useful mostly for debugging
Tune-42676-1769_Bremner_SRCD.abc 154 ABC music file with the extracted tune(s)
Tune-42676-1769_Bremner_SRCD.ps 6 PostScript
Tune-42676-1769_Bremner_SRCD.txt 154 Plain-text file with the extracted tune(s)
Tune-42676-get.log 4263 Log file, useful mostly for debugging
Tune-42678-get.log 3192 Log file, useful mostly for debugging
These files should be available for 24 hours.