Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/hdr/BB50.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2669-BB50.ps) >>/Users/jc/w/tmp/Tune-2669-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/hdr/BB50.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Coll_26692.log 276681 Log file, useful mostly for debugging
Tune-2669-BB50.abc 140 ABC music file with the extracted tune(s)
Tune-2669-BB50.ps 6 PostScript
Tune-2669-BB50.txt 140 Plain-text file with the extracted tune(s)
Tune-2669-get.log 8960 Log file, useful mostly for debugging
Tune-26690-get.log 3230 Log file, useful mostly for debugging
Tune-26692-get.log 5341 Log file, useful mostly for debugging
Tune-26693-get.log 13171 Log file, useful mostly for debugging
Tune-26694-get.log 11506 Log file, useful mostly for debugging
Tune-26695-get.log 3290 Log file, useful mostly for debugging
Tune-26698-24CountryDances_1748_TDavis.abc 165 ABC music file with the extracted tune(s)
Tune-26698-24CountryDances_1748_TDavis.ps 6 PostScript
Tune-26698-24CountryDances_1748_TDavis.txt 165 Plain-text file with the extracted tune(s)
Tune-26698-get.log 7547 Log file, useful mostly for debugging
Tune-26699-get.log 5065 Log file, useful mostly for debugging
These files should be available for 24 hours.