Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/jpg/band8.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2327-band8.ps) >>/Users/jc/w/tmp/Tune-2327-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/jpg/band8.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Sess-2327.log 1532071 Log file, useful mostly for debugging
Tune-2327-band8.abc 141 ABC music file with the extracted tune(s)
Tune-2327-band8.ps 6 PostScript
Tune-2327-band8.txt 141 Plain-text file with the extracted tune(s)
Tune-2327-get.log 3955 Log file, useful mostly for debugging
Tune-23271-get.log 1447 Log file, useful mostly for debugging
Tune-23272-get.log 3241 Log file, useful mostly for debugging
Tune-23273-get.log 9688 Log file, useful mostly for debugging
Tune-23275-get.log 5212 Log file, useful mostly for debugging
Tune-23278-get.log 4515 Log file, useful mostly for debugging
These files should be available for 24 hours.